The Silver & Gold Content of “23” Dated Coins: Melt Value vs. Collector Value Explained

Sometimes the metal inside is worth more than the face value stamped on the outside. But sometimes — and this is where things get really interesting — the coin itself is worth far more than either. Let me walk you through the melt value versus collector value question using one of my favorite case studies.

As someone who has spent decades navigating both the precious metals markets and the numismatic world, I’ve always been fascinated by the intersection of intrinsic metal content and collector premium. A recent forum thread celebrating a collector’s birthday — where participants were asked to post their favorite “23” dated coins — gave me a perfect case study. The coins shared in that thread span centuries, continents, and compositions, from 1823 Capped Bust half dollars to 1923 Peace dollars, from a Great Britain 1723 South Sea Company sixpence to a Danzig 5 Pfennige 1923 in copper-nickel. Each one tells a story about metal content, purity, and the sometimes surprising relationship between what a coin is made of and what it’s actually worth on the open market.

In this guide, I want to walk you through the key principles I use when evaluating any coin from a bullion and metal-content perspective. Whether you’re a stacker looking to optimize your holdings, a collector curious about the intrinsic value beneath the numismatic premium, or a newcomer trying to understand why two coins of the same weight can have wildly different price tags, this one’s for you.

Understanding Melt Value: The Foundation of Every Coin’s Worth

Melt value is the most fundamental concept in bullion investing. It refers to the raw market value of the precious metal contained within a coin, calculated independently of the coin’s face value, rarity, condition, or historical significance. When I examine any coin — whether it’s a common-date silver dime or a rare 1823 Capped Bust half dollar — the first thing I do is determine its melt value. This gives me a floor, a baseline below which the coin is unlikely to trade for any extended period.

The formula itself is straightforward:

Melt Value = (Weight of Pure Metal in Troy Ounces) × (Current Spot Price of the Metal)

But the devil is in the details. You need to know the exact weight of the coin, the purity of the metal, and you need to convert grams to troy ounces (1 troy ounce = 31.1035 grams). Let me break this down using some of the coins highlighted in that birthday thread.

Silver Coins: The 1823 Capped Bust Half Dollar

Several forum members shared stunning examples of 1823 Capped Bust half dollars, including pieces graded AU55+ CAC, AU53+ CAC, AU58+ CAC, and even a 65 CAC. One particularly impressive pairing included an 1823 O-107 P53 and an 1823 O-103 P58 CAC. Another collector showed off an 1823 O.106a PCGS AU58 Gold CAC — a coin with the coveted gold sticker from CAC, indicating exceptional quality for the grade.

From a bullion perspective, here’s what matters about the 1823 half dollar:

• Composition: 89.24% silver, 10.76% copper (the standard U.S. coin silver composition used from 1794 through 1836)
• Gross Weight: 13.48 grams
• Actual Silver Content (ASW): 12.03 grams of pure silver, or approximately 0.3868 troy ounces
• Copper Content: 1.45 grams (negligible monetary value)

At a silver spot price of, say, $28.50 per troy ounce, the melt value of an 1823 half dollar would be approximately $11.02. But here’s where it gets interesting: even the lowest-graded examples in that thread — the AU53+ pieces — would command prices many multiples of melt value due to their numismatic significance. The 65 CAC example? That coin could easily fetch $5,000 to $15,000 or more depending on the specific die variety and eye appeal. The gold CAC sticker on the AU58 example adds yet another layer of premium.

This is the fundamental tension in the coin market: melt value is the floor, but collector value is the ceiling, and for many coins, the ceiling is dramatically higher than the floor.

The 1923 Peace Dollar: America’s Most Popular Silver Dollar

One forum member shared images of several 1923 dated silver dollars, and these are perhaps the most instructive examples for bullion investors. The Peace dollar, first struck in 1921, is one of the most widely collected and traded silver dollars in the world.

Here are the key specifications:

• Composition: 90% silver, 10% copper (the standard U.S. silver dollar composition from 1836–1935 and again for the Eisenhower dollar)
• Gross Weight: 26.73 grams
• Actual Silver Content (ASW): 24.06 grams of pure silver, or approximately 0.7734 troy ounces

At that same $28.50 silver spot price, the melt value of a 1923 Peace dollar is approximately $22.04. Common-date Peace dollars in lower circulated grades (VF through AU) often trade at modest premiums to melt — sometimes just 10–30% over spot. This makes them excellent candidates for what I call “semi-numismatic stacking,” which I’ll discuss in more detail below.

However, a 1923 Peace dollar in MS65 or higher can command $150 to $500 or more, depending on strike quality, luster, and eye appeal. The same coin, same date, same metal content — but a dramatically different price based purely on condition and collector demand.

Purity Matters: Not All Silver (or Gold) Is Created Equal

One of the most common mistakes I see new bullion investors make is assuming that all “silver” coins have the same purity. This is absolutely not the case, and understanding the differences is critical for accurate melt value calculations.

U.S. Coin Silver vs. Sterling Silver vs. Fine Silver

The coins in our forum thread illustrate this perfectly:

1. U.S. Coin Silver (89.24% or 90%): The 1823 half dollars at 89.24% and the 1923 Peace dollars at 90% represent the two most common U.S. silver coinage standards. The slight difference in purity means that two coins of the same weight will have slightly different melt values.
2. Sterling Silver (92.5%): The Great Britain 1723 South Sea Company sixpence shared in the thread would have been struck in sterling silver, which is 92.5% pure — actually higher than U.S. coin silver. This British standard was used for centuries and is still the benchmark for British silver coinage and silverware.
3. Fine Silver (99.9%+): Modern bullion coins like the American Silver Eagle (99.9% pure) or the Canadian Silver Maple Leaf (99.99% pure) represent the highest purity standard. These are the coins most directly correlated with spot price.

When I’m calculating melt value for a mixed collection, I always start by identifying the exact composition. A sterling silver coin will have a higher melt value per gram than a U.S. coin silver coin of the same weight, and a fine silver bullion coin will be higher still.

The Danzig 5 Pfennige 1923: When Metal Content Isn’t Precious

One of the most interesting coins in the thread was the Danzig 5 Pfennige 1923, described as copper-nickel, 17mm. This is a perfect example of a coin where the metal content is essentially worthless from a bullion perspective. Copper-nickel alloys have minimal intrinsic value — perhaps a few cents at most.

Yet this coin still has value to collectors. The Free City of Danzig (modern-day Gdańsk, Poland) issued coins during its brief existence from 1920 to 1939, and these pieces are sought after by specialists in German and Polish numismatics. The lesson here is that not every coin’s value is tied to its metal content. For the bullion investor, this is an important reminder: always know what you’re holding before you assign a value to it.

Spot Price Correlation: How Bullion Coins Track the Market

One of the most important concepts for any bullion investor is understanding how different types of coins correlate with the spot price of the underlying metal. This correlation is not uniform — it varies dramatically based on the coin’s rarity, condition, and collector demand.

The Three Tiers of Spot Price Correlation

In my experience, I categorize coins into three tiers based on their correlation with spot price:

• Tier 1 — Pure Bullion Coins: Modern bullion coins like American Silver Eagles, Canadian Maple Leafs, and generic silver rounds track spot price almost exactly. Their premium over melt is typically 15–30% for silver and 3–8% for gold, and this premium remains relatively stable regardless of market conditions. These are the coins most directly correlated with spot price.
• Tier 2 — Semi-Numismatic Coins: Common-date pre-1935 U.S. silver coins (like the 1923 Peace dollar in circulated grades) and common-date pre-1965 U.S. silver dimes, quarters, and half dollars fall into this category. They track spot price to some degree, but their premium over melt can vary significantly based on supply, demand, and market conditions. In a bull market, their premiums tend to compress (the coin price doesn’t rise as fast as spot). In a bear market, premiums tend to expand (the coin price doesn’t fall as fast as spot).
• Tier 3 — Numismatic Coins: Rare dates, high-grade examples, and coins with special designations (like the CAC stickers seen throughout our forum thread) have very low correlation with spot price. An 1823 half dollar in MS65 or an 1823 O.106a with a gold CAC sticker is going to trade based on its rarity, condition, and collector demand — not on whether silver is at $25 or $30 per ounce.

Real-World Example: The 1823 Half Dollar Across Grades

Let’s put this into practice with the 1823 half dollars from the thread. At a silver spot price of $28.50:

• Melt value of any 1823 half dollar: ~$11.02 (regardless of grade)
• Estimated market value, AU53+ CAC: $300–$600+ (depending on die variety and eye appeal)
• Estimated market value, AU58+ CAC: $800–$2,000+
• Estimated market value, MS65 CAC: $5,000–$15,000+
• Estimated market value, AU58 Gold CAC: $1,500–$3,000+ (the gold sticker adds significant premium)

Notice how the premium over melt increases exponentially with grade. The AU53+ coin might trade at 27–54 times melt value, while the MS65 coin could trade at 450–1,360 times melt value. This is the power of numismatic premium, and it’s why I always tell bullion investors: know the difference between what you’re buying for metal and what you’re buying for collectibility.

Stacking Strategy: Building a Bullion Portfolio with “23” Dated Coins

Now let’s get practical. If you’re a bullion investor looking to build or optimize your portfolio, how can you use the principles above to make smart decisions? Here’s the stacking strategy I recommend, incorporating insights from the coins in this thread.

Strategy 1: The Core Stack — Maximize Metal, Minimize Premium

The foundation of any bullion portfolio should be the purest, cheapest-per-ounce metal you can find. For silver, this means:

• 90% U.S. junk silver (pre-1965 dimes, quarters, half dollars) — these typically trade at 15–25% over melt in circulated condition
• Modern bullion coins (Silver Eagles, Maple Leafs) — 15–30% over melt
• Generic silver rounds and bars — 10–20% over melt

The 1923 Peace dollar, being a common date, is an excellent candidate for the junk silver portion of your stack. At 0.7734 troy ounces of silver per coin, it’s a substantial unit of metal, and in circulated grades, the premium over melt is modest.

Strategy 2: The Semi-Numismatic Layer — Coins with Upside Potential

Above your core stack, I recommend holding a selection of semi-numismatic coins — pieces that have both metal content AND collector demand. These coins can appreciate significantly during bull markets for both metals and collectibles. Good candidates include:

• Common-date silver dollars in AU to low MS grades (like the 1923 Peace dollar in MS60–MS63)
• Key-date coins in lower grades (an 1823 half dollar in VF or XF, while expensive, still has significant numismatic demand)
• Coins with CAC verification — the CAC sticker, as seen repeatedly in the forum thread, adds a layer of quality assurance that collectors and dealers trust, which supports liquidity and value

The beauty of this layer is that it gives you optionality. If silver prices surge, you have metal-rich coins that can be sold at melt or slightly above. If the numismatic market heats up, you have coins with collector demand that can be sold at significant premiums.

Strategy 3: The Numismatic Reserve — Rare Coins as a Store of Value

For the sophisticated bullion investor, I also recommend maintaining a small allocation to high-quality numismatic coins. These are not “stacking” coins in the traditional sense — they’re more like alternative investments that happen to be made of precious metal. The 1823 half dollars in high grades with CAC verification, the 1723 South Sea Company sixpence (a coin with nearly 300 years of history), and the 1723 halfpenny mentioned in the thread all fall into this category.

These coins tend to:

• Hold value during economic uncertainty (they’re tangible, portable, and universally recognized)
• Appreciate over time due to increasing scarcity (coins are lost, damaged, and melted every year)
• Provide portfolio diversification (their price movements are not correlated with stocks, bonds, or even bullion)

Weight and Measurement: Getting the Numbers Right

One area where I see even experienced investors make errors is in the precise measurement of weight and purity. Let me share some hard-earned lessons.

Troy Ounces vs. Avoirdupois Ounces

Precious metals are measured in troy ounces, not the standard avoirdupois ounces used for everyday weight measurements. One troy ounce equals 31.1035 grams, while one avoirdupois ounce equals 28.3495 grams. This difference of about 9.7% matters enormously when you’re calculating the value of a large stack.

I’ve seen investors mistakenly calculate their silver holdings using avoirdupois ounces and wonder why their math doesn’t match the dealer’s offer. Always use troy ounces for precious metals.

Gross Weight vs. Actual Silver/Gold Content

Another common error is confusing gross weight with actual precious metal content. A 1923 Peace dollar weighs 26.73 grams gross, but only 24.06 grams of that is pure silver — the rest is copper. Similarly, the 1823 half dollar weighs 13.48 grams gross but contains only 12.03 grams of pure silver.

When I’m evaluating a coin for its bullion value, I always use the ASW (Actual Silver Weight) or AGW (Actual Gold Weight) figure, not the gross weight. This is especially important for older coins that may have been worn through circulation — a heavily worn Peace dollar might weigh 25.5 grams instead of 26.73 grams, meaning it’s lost some of its silver content through abrasion.

Accounting for Wear in Circulated Coins

This is a subtle but important point. A coin in AU58 condition (like several of the 1823 half dollars in the thread) will have lost very little metal through wear — perhaps 1–2% of its original weight. But a coin in XF40 (like the “Broken 3 XF40” mentioned in the thread) may have lost 3–5% of its original metal content. In VF or lower grades, the loss can be even more significant.

For the bullion investor, this means that higher-grade coins preserve more metal, which is another reason to prefer AU and MS grades when buying for metal content. The numismatic premium is higher, but you’re also getting more actual silver or gold per dollar spent.

The Role of Third-Party Grading and CAC Verification

One thing that jumped out at me in the forum thread was how many of the coins carried third-party grading and CAC verification. Nearly every significant coin mentioned included a PCGS or NGC grade along with a CAC sticker — AU55+ CAC, AU53+ CAC, AU58+ CAC, 65 CAC, P58+ CAC, and even a Gold CAC.

From a bullion investor’s perspective, third-party grading serves several important functions:

• Authentication: It guarantees the coin is genuine. In a market where counterfeits are increasingly sophisticated, this is invaluable.
• Condition verification: It provides an independent assessment of the coin’s grade, which directly affects both its numismatic value and its metal content (as discussed above).
• Liquidity: Graded coins are easier to sell and command higher prices than raw, ungraded coins. The CAC sticker adds an additional layer of confidence, often resulting in a 10–30% premium over non-CAC examples of the same grade.

My advice: if you’re buying coins with significant numismatic premiums (anything above 50% over melt), always buy graded. The cost of grading is trivial compared to the risk of buying a counterfeit or over-graded coin.

Historical Context: Why “23” Dates Matter

While our focus has been on metal content and bullion value, it’s worth taking a moment to appreciate the historical significance of the dates represented in this thread. The year 1823, for example, was a pivotal year in American history:

• The Monroe Doctrine was proclaimed in December 1823, declaring the Western Hemisphere off-limits to European colonization
• The Capped Bust half dollar was in full production, with multiple die varieties (O-103, O-106a, O-107) that are still studied and collected today
• The U.S. Mint was still a relatively young institution, having been established just 34 years earlier in 1790

The year 1923 was equally significant:

• The Peace dollar was in its third year of production, commemorating the end of World War I
• Germany was experiencing hyperinflation, which is why the Danzig 5 Pfennige 1923 is such an interesting piece — it represents a city-state caught between Germany and Poland during a period of enormous economic turmoil
• The South Sea Company, whose 1723 sixpence was shared in the thread, had been defunct for over a century by this point, but its coins remain as tangible reminders of one of history’s greatest financial bubbles

This historical context doesn’t directly affect melt value, but it does affect collector demand, which in turn affects the premium you’ll pay (or receive) when buying or selling these coins. Provenance and story matter more than most bullion-only investors realize.

Actionable Takeaways for Buyers and Sellers

Let me wrap up with specific, actionable advice for both buyers and sellers:

For Buyers:

1. Always calculate melt value first. Before purchasing any coin, know exactly how much precious metal it contains and what that metal is worth at current spot prices. This gives you a baseline for evaluating the asking price.
2. Understand the premium you’re paying. If a coin is priced at 3x melt, ask yourself whether the numismatic premium is justified by the coin’s rarity, condition, and demand. If it’s priced at 1.2x melt, you’re getting a good deal on the metal.
3. Buy graded coins for numismatic premiums. If you’re paying more than 50% over melt, insist on third-party grading. For coins with significant premiums, CAC verification adds additional confidence and liquidity.
4. Diversify across tiers. Don’t put all your money into pure bullion or all into rare coins. A balanced portfolio includes Tier 1 (pure bullion), Tier 2 (semi-numismatic), and Tier 3 (numismatic) coins.
5. Pay attention to die varieties. The 1823 half dollar has multiple die varieties (O-103, O-106a, O-107, and others), and some are significantly rarer than others. A knowledgeable buyer can find value in varieties that are underappreciated by the market.

For Sellers:

1. Know what you have. Before selling, get your coins properly identified, graded, and (if appropriate) CAC-verified. A coin that might bring $200 raw could bring $400+ in a PCGS holder with a CAC sticker.
2. Time your sale. If you’re selling for bullion value, wait for periods of high spot prices and strong demand (typically during economic uncertainty or inflationary periods). If you’re selling for numismatic value, wait for periods of strong collector demand (typically during coin shows, auctions, and economic expansions).
3. Consider the tax implications. In many jurisdictions, coins are treated as collectibles for tax purposes, which can mean higher capital gains rates than standard investments. Consult a tax professional before making large sales.
4. Don’t melt numismatic coins. This should go without saying, but I’ve seen it happen: a coin with a $500 numismatic value gets melted for $11 worth of silver. Always check the collector value before assuming melt value is your best option.

Conclusion: The Enduring Value of “23” Dated Coins

The forum thread that inspired this article was, at its heart, a celebration — a birthday celebration where collectors shared their favorite “23” dated coins. But beneath the birthday wishes and friendly banter lies a treasure trove of information for the bullion investor.

The coins shared in that thread — from the 1823 Capped Bust half dollars in AU55+ and MS65, to the 1923 Peace dollars, to the 1723 South Sea Company sixpence, to the Danzig 5 Pfennige 1923 — represent a remarkable range of metal content, purity, historical significance, and collector demand. Each one teaches us something about the relationship between intrinsic metal value and numismatic premium.

As a bullion investor, my key takeaway is this: every coin has two values — its metal value and its collector value — and the smartest investors understand both. The metal value provides a floor, a safety net that protects your investment even in the worst-case scenario. The collector value provides upside, the potential for appreciation that far outpaces the underlying metal.

Whether you’re stacking junk silver for a rainy day, building a semi-numismatic portfolio for long-term appreciation, or acquiring rare, high-grade pieces like the 1823 O.106a Gold CAC shared in that thread, the principles remain the same: know your metal content, understand your premium, verify your coins, and always — always — do your homework before you buy.

Happy birthday to the original poster, and happy stacking to all of you.

Related Resources

You might also find these related articles helpful:

• Finding “23” Dated Coins in the Wild: A Cherry Picker’s Guide to Circulation Finds, Bulk Lots, and Hidden Varieties – You don’t always need a dealer to find treasure. Here’s what I’ve learned after years of searching thr…
• Can a “23” Dated Coin Be Made Into Jewelry? A Crafter’s Guide to Silver Content, Metal Hardness, and Aesthetic Appeal – Not every coin belongs on a jeweler’s bench. Before you start hammering, let’s talk about what makes a &#822…
• Grading “23” Dated Coins: The Difference Between $10 and $1,000 — A Professional Grader’s Breakdown of Wear, Luster, Strike, and Eye Appeal – Condition is everything. Here’s how I examine the high points and fields to determine the true grade of a coin — a…