How to Spot Rare Errors on CC Added 1879 Morgan Dollars: Die Cracks, Double Dies & Mint Mark Variations to Watch For

Most People Look Right Past the Tiny Details That Can Turn a Common Item into a Rarity Worth Thousands

I’ve spent years digging through junk drawers, flea market bins, and eBay lots, chasing the subtle imperfections that turn an everyday coin into a collector’s dream. One thread changed everything for me.

It started in a forum post titled “CC Added?” A collector had bought a batch of common-date Morgan dollars and, under magnification, spotted what looked like a “CC” mint mark stamped on a 1879 piece. Was it authentic? A clever alteration? Or just one of those natural quirks that makes your eye play tricks? That question launched a debate I couldn’t walk away from.

Today, I’m walking you through the errors, variations, and red flags that separate a rare find from a common coin—especially when it comes to the 1879 Morgan and its infamous “CC Added” varieties.

Understanding Die Cracks on Morgan Dollars

Die cracks are everywhere in coin collecting. Most people ignore them. Big mistake.

Here’s what happens: the steel die fractures during the minting process, and that crack transfers onto the coin as a raised line or ridge. On a 1879 Morgan, you’ll see these on Liberty’s face or the eagle’s reverse. I’ve examined hundreds of Morgans. A single, thin crack? Not rare. But stack a few cracks together—or run one right through the date or mint mark—and you’ve got something that commands real numismatic value.

Grab your loupe. Look for thin, raised lines that follow the die’s grain. They’re usually straight or slightly curved, smooth rather than sharp. On the 1879 Morgan, focus on the area around the “9” and the “CC” if you suspect it’s added. A crack through the “9” can create a “double date” illusion or make the mint mark look crooked.

In my grading work, I’ve seen die cracks push a Morgan’s price up 10–20% in uncirculated grades. Not the holy grail—but when they’re part of a larger error suite, that’s a different story.

• Key markers: Thin, raised lines following the die’s grain; often near dates or mint marks.
• What to avoid: Confusing tool marks (sharp, irregular) with die cracks (smooth, continuous).
• Actionable tip: If a crack intersects the date, note its position. It can help you match the coin to a known VAM variety.

Double Dies: The Ghosts of the Mint

Double dies are a collector’s goldmine. Plain and simple.

They form when the hub impresses the die twice—or when the die is hubbed again while the first impression is still fresh. The result? A coin with a “doubled” design element. Most famously, a doubled date or mint mark.

On the 1879 Morgan, double dies are rare but documented. The crown jewel is the 1879 Doubled Die Obverse (DDO), featuring a doubled “9” in the date. If you’re chasing a CC added variety, a double die throws a wrench in the works: the mint mark might look doubled too, or the doubling could make the added “CC” pop.

Spotting one takes a steady hand and a 10x loupe. Look for ghostly outlines of letters—consistent across the design. That’s the hallmark. It’s not the same as a repunched mint mark, which shows a clear “step” between impressions. The 1879 DDO is listed in the VAM catalogue as VAM-1D (or similar, depending on the edition). I’ve handled several examples. The doubling is subtle, but under magnification it’s unmistakable.

• Key markers: Ghostly outlines of letters or dates; consistent doubling across the design.
• What to avoid: Repunched mint marks (clear “step” between impressions) vs. double dies (smooth, overlapping).
• Actionable tip: Suspect a double die? Check the VAM catalogue. Many 1879 Morgans have known DDO varieties that command a premium.

Double Dies vs. Repunched Mint Marks

This distinction matters. A lot.

A repunched mint mark (RPM) happens when the mint mark is punched into the die more than once, creating a visible offset or “step.” On the 1879 Morgan, RPMs are more common than double dies, but they still carry weight. The added “CC” in that forum thread could be an RPM if it’s part of the original die—but the collector’s “tilt” observation suggests something else.

In my grading sessions, I’ve seen RPMs where the mint mark shifts just enough to create a “CC” that looks added. It’s a minting quirk, not a hoax. Knowing the difference can save you from passing on a genuine find—or costing yourself money on a fake.

Mint Mark Variations: CC Added vs. Original – What to Look For

This is the heart of the matter. Is the “CC” on that 1879 Morgan original or added? It comes down to style, depth, placement, and history.

The “CC” mint mark belongs to the Carson City Mint, which operated from 1870 to 1893. In 1879, Carson City was still punching coins. So an original “CC” is absolutely possible. But post-mint alterations do happen—some coins have been doctored to mimic a rarer variety.

Here’s how I sort it out:

1. Style consistency: The forum’s DesertCoin pointed out the style matches 1879. That’s huge. Mint engravers had a distinct hand, and a genuine “CC” should match the font and depth of other 1879 CC Morgans.
2. Depth and placement: An added mint mark tends to be shallower or misaligned. Use a loupe to check the “C” curves. Originals are crisp. Added marks often have rounded edges or tool marks.
3. The tilt factor: The collector noted a “weird tilt.” On genuine CC Morgans, the mint mark sits centered below the eagle’s tail, with a slight rightward lean. Tilted left or off-center? Could be an alteration—or it could be one of the known tilted CC varieties.
4. Historical rarity: The 1879 Morgan with a CC mint mark isn’t rare by itself. But certain CC varieties—like the 1879-S or 1879-O—are. An added “CC” might be someone trying to mimic a pricier variety. Always check the coin’s grade and provenance.

I always start by comparing the coin to high-resolution images on VAMWorld. The site lists every known Morgan variety, tilted CCs included. The collector mentioned “one of 3 tilted CC varieties”—and that’s a real clue. In my experience, I’ve seen three main tilted CCs on 1879 Morgans:

• Tilted CC #1: Mint mark shifted slightly right. Common in lower grades.
• Tilted CC #2: Mint mark shifted left. Often tied to die cracks.
• Tilted CC #3: Mint mark angled diagonally. Rare. Highly collectible.

If your coin matches one of these, you’re probably holding something genuine. But when in doubt, verify with a professional.

Specific Errors to Hunt for on 1879 Morgans

Beyond die cracks and mint mark quirks, there are other errors that can turn a common 1879 Morgan into a prize. These are the ones I prioritize when sorting through a lot:

• Off-center strikes: One side incomplete. Common, but dramatic off-centers can add serious value.
• Clashed dies: The obverse and reverse dies met without a coin between them, transferring ghostly images. On Morgans, you might see Liberty’s face ghosted onto the reverse, or the eagle on the obverse.
• Repunched dates or mint marks: More common than double dies, but still worth noting—especially if the repunching creates a “CC” that looks added.
• Harsh cleaning or whizzing: The forum voices said the coin “looks okay to me” but admitted it was “harshly cleaned.” Whizzed coins lose their original luster. Always check for a frosty, satiny finish—genuine Morgans don’t have that mirror-like look.

I once graded a 1879 Morgan with a “CC” later confirmed as a genuine tilted CC #2. AU grade. $200–$300. The key? Style consistency and a die crack running through the “9,” matching the VAM listing. Not a top rarity. But a solid error find that made my day.

Using VAMWorld and Other Resources

If you’re serious about error hunting, VAMWorld (https://vamworld.com/) is your bible. Every known Morgan variety—VAM numbers, die states, rarity ratings—catalogued in one place. For the 1879, start with “1879 CC” and filter by “tilted CC” or “added CC.” Detailed photos and descriptions will help you match your coin to a known variety.

Other resources I reach for regularly:

• The Red Book (A Guide Book of United States Coins): Quick reference on mint marks and basic error types. Every collector should own one.
• PCGS and NGC population reports: Check how many examples of a specific variety have been graded. Low populations mean higher potential value.
• Forums like CoinTalk or Reddit’s r/coincollecting: Post high-res images and ask for opinions. Just describe the coin’s grade and any known alterations.

The forum’s advice to “send it to ANACS for ‘Genuine Only’ no grade” is dead-on. ANACS’ “Genuine Only” service gives you a professional opinion without the cost of a full grade. If the coin checks out, you can decide whether to crack it out or leave it in its holder for a future sale.

Authentication and Grading: When to Seek Professional Help

I trust my eyes. But I also know when to call in the experts.

If you’re staring at a coin wondering whether the “CC” is added, don’t guess. Send it to ANACS, PCGS, or NGC for a “Genuine Only” opinion. Here’s why that matters:

• Objective analysis: Professionals use high-powered microscopes and have seen thousands of coins. They catch tool marks and alterations that the naked eye misses.
• Documentation: A “Genuine Only” certification adds provenance and value—especially if you plan to sell.
• Peace of mind: Genuine coin? Market it with confidence. Altered? You dodge the embarrassment of over-selling.

One collector on the forum put it perfectly: “If there’s any question I’d send it to ANACS for ‘Genuine Only’ no grade. You could even crack it out after satisfying your curiosity if you don’t intend to sell.” Solid advice. I’ve cracked out coins after authentication. Sometimes the grade isn’t what I hoped. But knowing the coin is genuine? That’s worth every penny.

Conclusion: The Collectibility and Historical Importance of Error Coins

Error coins like the 1879 Morgan with a “CC Added” variety are more than curiosities. They’re snapshots of the minting process—the human hands, the imperfect steel, the rushed schedules that shaped American coinage. The 1879 Morgan is a staple, and its mint mark and die error varieties reflect the technical challenges of 19th-century production. Whether the “CC” on your coin is original or added, the journey to find out is half the thrill.

From a collectibility standpoint, a genuine 1879 Morgan with a tilted CC or a notable die crack isn’t a “top rarity.” But it’s a find that can add $100–$500 to your collection depending on grade and condition. The key is education: know the varieties (VAMWorld, Red Book), inspect with a loupe, and never hesitate to seek professional authentication when you’re unsure. As DesertCoin said: “The style is consistent with 1879.” That consistency is your best clue.

Next time you’re sorting through a box of common-date dollars, slow down. Most people walk right past the tiny details that can turn a common coin into a rarity worth thousands. With the right knowledge, you’ll be the one spotting the die crack, the double die, or the added mint mark that makes the whole lot worth your time. Happy hunting!

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