Mint Error or Damaged? Decoding Planchet Flaws vs. Post-Mint Damage in Your Morgan Dollar Collection

Is That a Rare Lamination Flaw, or Did Someone Just Scratch It with a Screwdriver?

Let’s get into it. As someone who has spent years hunched over a stereo microscope attributing errors on Morgan dollars, I can tell you that few topics generate more confusion — and more costly mistakes — than the distinction between genuine mint-made errors and post-mint damage (PMD). Whether you’re evaluating a raw collection of 31 ungraded Morgan silver dollars or deciding which pieces are worth sending to PCGS or NGC for slabbing, understanding this distinction is absolutely critical. A genuine lamination error or clipped planchet can add serious numismatic value to a coin, while post-mint damage can destroy its collectibility entirely.

The forum discussion we’re looking at today follows a collector’s five-year journey assembling a toned Morgan dollar collection — 30 of 31 coins remain ungraded, and the collector is seeking guidance on which pieces warrant professional grading. What makes this thread particularly instructive is how it surfaces the core challenges every collector faces: error identification, surface assessment, and the often-underestimated importance of proper photography in numismatic evaluation. Let me walk you through the key concepts you need to master.

Understanding Planchet Flaws: The Mint’s Imperfections

Planchet flaws are errors that occur before the coin is struck. They are inherent in the metal blank itself, created during the strip-rolling, blanking, or annealing processes at the mint. Because these flaws originate at the mint, they are considered legitimate mint errors and can carry significant premiums — if they are correctly identified and authenticated.

Lamination Errors: Peeling, Splitting, and Flaking

Lamination errors occur when impurities, gas pockets, or structural weaknesses within the silver strip cause layers of metal to separate. On Morgan dollars, they appear as raised flakes, peeling surfaces, or irregular patches where the metal has begun to delaminate. They can occur on either the obverse or reverse and vary dramatically in size.

Here’s what I look for when attributing a lamination error:

• Raised metal edges: True lamination flaws have slightly raised, irregular edges where the metal has begun to separate. The surface around the flaw will show a natural flow of metal — the design elements will be undisturbed and continuous right up to the point of the lamination.
• No displacement of metal: Unlike a scratch or tooling mark, a lamination flaw does not push metal to the sides. The metal has simply separated along a plane within the planchet.
• Original mint luster beneath: If you can examine the area beneath a lamination flake — where the top layer has peeled away — you should see undisturbed mint luster on the exposed surface. This is a key indicator that the flaw occurred before or during striking, not after.
• Consistency with strike: The design details within and around a lamination error should be fully struck and consistent with the rest of the coin. A genuine lamination flaw does not obliterate design elements — it sits on top of or within the struck surface.

In the context of this forum thread, several of the collector’s Morgan dollars were described as having “questionable color” or unusual surface appearances. While the discussion focused primarily on toning authenticity, it’s worth noting that what some collectors mistake for artificial toning can sometimes be the visual effect of a lamination flaw interacting with environmental exposure over decades. The exposed subsurface metal in a lamination area may tone differently than the surrounding intact surface, creating color variations that can easily be misread as artificial treatment.

Clipped Planchets: When the Blank Punch Goes Wrong

A clipped planchet occurs when the blanking punch overlaps a previously punched area or the edge of the silver strip, resulting in a crescent-shaped clip on the finished coin. Clipped planchets are among the most visually dramatic and easily recognized mint errors — but they are also frequently faked through post-mint alteration.

Key characteristics of a genuine clipped planchet on a Morgan dollar include:

• Curved clip with a “Blakesley effect”: On the side opposite the clip, you should see a distorted, elongated rim area where metal flowed to compensate for the missing material. This Blakesley effect is extremely difficult to fake convincingly.
• Smooth, rounded clip edge: The clip edge should be smooth and slightly rounded, consistent with the natural flow of metal during striking. A chiseled or filed clip will show tool marks, straight edges, or unnatural angles.
• Proper metal flow: The design elements near the clip should show natural metal flow patterns. The letters and devices will appear slightly stretched or distorted near the clip boundary, not abruptly cut off.
• Matching curvature: The clip’s curvature should match the diameter of the planchet blank. For Morgan dollars (38.1mm diameter), the clip arc should be consistent with that radius.

None of the 31 coins in the forum thread were specifically identified as clipped planchets, but this error type is common enough in the series that collectors assembling a date-and-mintmark set should always be watching for them — particularly on coins from the Carson City (CC) and New Orleans (O) mints, where quality control was sometimes less consistent than at Philadelphia.

Post-Mint Damage: The Value Killer

Post-mint damage refers to any alteration, wear, or damage that occurs to a coin after it leaves the mint. PMD encompasses an enormous range of issues — from simple scratches and dents to deliberate tooling, cleaning, whizzing, and artificial toning. For anyone serious about error attribution, distinguishing PMD from genuine mint errors is the single most important skill in the discipline.

Tooling Marks: The Telltale Signs of Human Intervention

Tooling marks are among the most common forms of PMD and among the most deceptive. They occur when someone uses a sharp instrument — a screwdriver, knife, engraver, or even a fingernail — to alter a coin’s surface. Tooling is often done to “improve” a coin’s appearance, remove unsightly marks, or simulate a mint error.

Here is my checklist for identifying tooling marks on Morgan dollars:

• Linear, uniform scratches: Tooling marks tend to be straight or uniformly curved, with consistent depth and width. Natural wear patterns are irregular and multidirectional.
• Sharp, clean edges: A tooling mark has crisp, well-defined edges where the instrument cut into the metal. A natural scratch or contact mark from circulation will have softer, more rounded edges.
• Displaced metal ridges: Under magnification, tooling marks show tiny ridges of displaced metal along both sides of the scratch. These ridges are often visible even on worn coins.
• Disruption of patina or toning: On toned Morgan dollars, tooling marks will break through the toning layer, revealing bright, untoned metal beneath. This creates a stark contrast that is immediately visible under proper lighting.
• Unnatural direction: Tooling marks often run in directions that don’t correspond to normal coin-to-coin contact. A scratch that runs diagonally across Liberty’s cheek, for example, is highly suspicious — normal contact marks would be more likely to appear on the high points in a predictable pattern.

In the forum thread, one commenter noted that coin #31 (the 1900-P) appeared to have “a little wiping” on the obverse. This is a classic PMD observation. Wiping occurs when a coin is rubbed with a cloth or abrasive material, often in an attempt to remove tarnish or enhance luster. It creates fine, parallel scratches that are visible only under magnification and proper lighting. On Morgan dollars, wiping is particularly common because of the coin’s large, flat fields — ideal surfaces for this type of alteration.

Artificial Toning: When Color Tells a False Story

While not strictly “damage” in the mechanical sense, artificial toning is a form of PMD that directly affects a coin’s value and authenticity. The forum thread raised this issue explicitly, with one commenter identifying coin #14 as “for sure artificially toned” and flagging coins #7 and #19 as suspicious.

Artificial toning on Morgan dollars is typically achieved through chemical treatment — exposure to sulfur compounds, liver of sulfur, or other reactive substances — or heat application. Here’s how I differentiate natural from artificial toning:

• Color progression: Natural toning on silver follows a predictable sequence: yellow → gold → amber → crimson → blue → violet → charcoal and black. Artificial toning often skips steps or produces colors that don’t follow this progression — vivid purples, greens, or pinks that appear suddenly and without transitional hues.
• Surface texture: Artificially toned surfaces often have a slightly waxy, powdery, or uneven texture. Natural toning is smooth and integrated into the coin’s surface at a molecular level.
• Distribution patterns: Natural toning on Morgan dollars typically radiates from the rim toward the center, with the most intense color at the periphery. Artificial toning may appear in blotchy, uneven patches or may cover the entire surface uniformly — both of which are red flags.
• Field vs. device contrast: On naturally toned coins, the fields tend to show more toning than the raised devices, which experience more friction and contact. If the devices are more heavily toned than the fields, artificial treatment is likely.
• Edge examination: The coin’s edge is the ultimate test. Natural toning will extend to the edge and the reeding, while artificial toning often stops abruptly at the rim or shows inconsistent color on the edge.

The Photography Problem: Why Proper Imaging Matters for Error Attribution

One of the most instructive aspects of this forum thread is the extensive discussion about photography. Multiple commenters noted that the collector’s images were “too bright,” had “off the chart contrast,” and made it “difficult to assess the surfaces or get any real idea of the luster or PL [prooflike].” This is not a trivial concern — proper photography is the foundation of accurate error attribution, especially when evaluating coins remotely.

The collector explained that images were taken using a magnifier hooked up to a computer, with built-in camera lights and room lights turned off to prevent contrast. While the intention was good, the execution produced images that were overexposed and lacking in the subtle surface detail necessary for meaningful evaluation.

Here are my recommendations for photographing Morgan dollars for error attribution purposes:

1. Use diffused, even lighting: Position two or more light sources at approximately 45-degree angles to the coin’s surface. Use diffusion material — tracing paper, frosted plastic — to soften the light and eliminate harsh reflections. The goal is to illuminate the coin evenly without creating bright spots or deep shadows.
2. Avoid built-in camera lights: The small LED lights on USB magnifiers and coin holders create intense, directional illumination that washes out surface detail and creates false color impressions. These should be supplemented or replaced with external, diffused lighting.
3. Use a neutral background: A plain white or light gray background provides the most accurate color rendition. Avoid colored backgrounds that can cast reflected light onto the coin and alter its apparent toning.
4. Shoot at multiple angles: Tilt the coin slightly in different directions to reveal surface texture, luster, and any irregularities. A single straight-on shot cannot capture the three-dimensional nature of lamination flaws, tooling marks, or wiping.
5. Include a scale reference: A ruler or known-size object in at least one image helps reviewers assess the size of any flaws or errors.
6. Review before sharing: As one commenter wisely noted, “If it is difficult for you to interpret the images on your own device, then it is guaranteed to be near impossible for someone else to interpret them.” Always review your photos on multiple screens before posting them for evaluation.

The thread included examples of professional coin photography by Mark Goodman — an 1881 Morgan in an NGC holder and an 1887 raw coin. These images demonstrated the ideal balance of even lighting, accurate color rendition, and surface detail that collectors should aspire to when documenting their coins.

Prooflike (PL) and Deep Mirror Prooflike (DMPL) Assessment

Many of the coins in the collector’s thread were marked as “maybe PL,” indicating the collector’s suspicion that some pieces might exhibit prooflike surfaces. On Morgan dollars, PL and DMPL designations can add significant value — particularly on dates and mintmarks where prooflike examples are scarce.

But the commenter’s assessment was blunt: “From these photos only I do not see any of the coins you have marked as PL grading PL. One or two appear one sided PL but you have to have PL on both sides to qualify.”

This is an important point. For a Morgan dollar to receive a PL or DMPL designation from PCGS or NGC, both the obverse and reverse must exhibit reflective, mirror-like fields. A coin with PL on only one side does not qualify. Furthermore, the reflectivity must be original — not the result of polishing, dipping, or other post-mint enhancement.

Key indicators of genuine PL surfaces on Morgan dollars include:

• Deep, mirror-like fields: The flat areas of the coin — around the stars, between the letters, in the open spaces of the reverse wreath — should reflect light like a mirror. You should be able to see distinct, recognizable reflections in the fields.
• Frosted devices: The raised design elements — Liberty’s head, the eagle, lettering — should have a frosted, matte-like appearance that contrasts sharply with the mirrored fields. This contrast is what gives prooflike Morgan dollars their dramatic eye appeal.
• Originality: The mirror surfaces must be original to the minting process. Dipped or polished coins may appear reflective, but the reflectivity will be shallow, uneven, or accompanied by fine wiping marks under magnification.

Which Coins Deserve to Be Slabbed?

The forum thread’s most practical question was which of the 31 coins should be submitted for professional grading. The commenter’s recommendations were specific and instructive:

Recommended for grading (the “best toners”): Coins #10 (1881-S), #18 (1887-P), #21 (1883-O), #22 (1882-P), #23 (1896-P), and #25 (1884-O).

Nice but not quite grade-worthy: Coins #12 (1883-P, noted as maybe PL with reverse VAM), #16 (1879-S), #20 (1882-S), #24 (1889-P), and #28 (1878-S).

Specific concerns raised:

• Coin #14 (1896-P): Identified as artificially toned — grading would likely result in a “details” designation or a notation of artificial toning, which would reduce rather than enhance value.
• Coins #7 and #19 (1896-P and 1889-P): Flagged as possibly artificially toned, requiring further examination.
• Coin #17 (1900-P): Described as having “strange toning” that was difficult to assess from photos alone.
• Coin #27 (1881-O): Appeared lightly circulated, which would limit its grade and reduce the benefit of professional grading.

The commenter also noted that since most of the coins appeared to be “on the lower end of uncirculated,” grading would not dramatically increase their value. This is a crucial economic reality for collectors to understand: grading fees — typically $25–$50 per coin for standard service, plus shipping and insurance — must be justified by the expected increase in market value. For common-date Morgan dollars in lower Mint State grades (MS-60 through MS-63), the premium added by a professional grade is often modest. The real value of slabbing comes for coins in higher grades (MS-64 and above), coins with exceptional eye appeal — attractive toning, prooflike surfaces — or coins with verified mint errors.

Actionable Takeaways for Buyers and Sellers

Based on this detailed analysis of the forum discussion and my own experience in error attribution, here are the key lessons for collectors navigating the planchet-flaw-versus-PMD landscape:

1. Always examine under magnification before purchasing. A 10x loupe is the minimum; a stereo microscope at 20x–40x is preferable for detecting subtle tooling marks, wiping, and artificial toning.
2. Learn the “flow test” for lamination errors. Tilt the coin under a light source. A genuine lamination flaw will show a distinct step or ridge where the metal has separated, with undisturbed luster beneath. A scratch or tool mark will show displaced metal and disrupted luster.
3. Check the edges. The rim and edge of a coin are the most reliable indicators of authenticity. Tooling marks, artificial toning, and other forms of PMD are often most visible on the edge, where they are hardest to conceal.
4. Invest in proper photography equipment. A quality macro lens, diffused lighting setup, and a stable coin holder will dramatically improve your ability to evaluate and present your coins. The difference between amateur and professional coin photography is the difference between a meaningful assessment and a guess.
5. When in doubt, submit to a grading service. PCGS, NGC, and ANACS all employ experts who can distinguish genuine mint errors from PMD. A coin with a verified mint error designation — such as “Lamination” or “Clipped Planchet” on the holder — will command a significant premium over an unverified example.
6. Be skeptical of “maybe” attributions. If you’re not sure whether a surface irregularity is a mint error or PMD, it’s better to seek expert opinion than to assume the best. The collector’s thread is full of “maybe PL” designations that, upon expert review, did not pan out. Over-attribution is one of the most common mistakes in the hobby.
7. Document everything. Keep detailed records of each coin’s provenance, purchase price, and any observations about its surfaces. This documentation becomes invaluable if you decide to sell or submit for grading.

Conclusion: The Enduring Challenge of Error Attribution in Morgan Dollars

The Morgan dollar series — minted from 1878 to 1904 and again in 1921 — represents one of the most actively collected and studied areas of American numismatics. With hundreds of date-and-mintmark combinations, thousands of known VAM varieties (die varieties cataloged by Leroy Van Allen and George Mallis), and a wide range of mint errors, the series offers endless opportunities for discovery. And, I’ll be honest, endless opportunities for misattribution.

The forum thread we’ve examined is a microcosm of the broader collecting experience: a passionate collector, a diverse group of advisors, and a set of coins whose true nature can only be determined through careful, expert examination. The key takeaway is that the line between a valuable mint error and a damaged coin is often razor-thin, and crossing that line in either direction can mean the difference between a windfall and a loss.

Whether you’re assembling a toned Morgan collection like the one in this thread, hunting for a rare variety, or searching for the next great lamination error, the principles remain the same: examine carefully, photograph properly, consult experts, and never assume. The surface of a Morgan dollar tells a story — your job is to make sure you’re reading it correctly.

As for the collector’s 31-coin set, the path forward is clear: invest in better photography, submit the six recommended coins for grading, set aside the artificially toned pieces for further study, and continue building with the knowledge that every coin has a story written on its surface — if you know how to read it.

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