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Counterfeit Detection: 1885 Double Eagle

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 Posted 08/05/2021  7:57 pm Show Profile   Bookmark this topic Add CCFPress to your friends list Get a Link to this Message
NGC - Removing a mintmark made this coin appear more valuable.

Coin collectors know that something as small as a mintmark can mean a substantial difference in value between coins of the same date. It is no surprise, therefore, that some of the most common counterfeits that Numismatic Guaranty Corporation ( NGC) graders encounter involve mintmark alterations. This allows a counterfeiter to work with a real coin without having to bother producing fake dies. For example, a forger can create a spurious "key date" coin simply by adding an "S" mintmark to a 1909 VDB Lincoln cent, a "D" to a 1916 Mercury dime or "CC" to an 1889 Morgan dollar.

Sometimes, however, removing a mintmark from a coin can make it appear more valuable. Such is the case with this altered 1885 Liberty Head double eagle (gold $20) that was submitted to the NGC grading team recently.

This spurious Double Eagle might have sold for five figures over melt value had it not been discovered.

Over its long run, the Liberty Head double eagle was struck at five mints: Philadelphia, New Orleans, San Francisco, Carson City and Denver. This means that collectors will encounter this flagship U.S. gold coin with a "O," "S," "CC" or "D" mintmark, or no mintmark if it was struck in Philadelphia.

The U.S. Mint produced 1885 double eagles at the Philadelphia, Carson City and San Francisco facilities. The Philadelphia location struck just 828 examples (including 77 proofs) with that date; the Carson City Mint produced a mere 9,450; and the San Francisco Mint churned out over 680,000.

Price guides today reflect this mintage disparity. A lightly circulated 1885-S carries a modest premium over its melt value—a few hundred dollars at most. Similar Philadelphia issues, on the other hand, can carry a premium of tens of thousands of dollars!

A close examination of the mintmark area is prudent for double eagles of this date and several others, including 1881 and 1882. The mintmark is located below the eagle on the reverse. This example shows toolmarks in this area—a sign that the counterfeiter was trying to cover their tracks. Hairline scratches also appear in the area and don't look quite right.

After careful inspection, it is clear the counterfeiter obliterated the original mintmark. It was almost certainly an "S," since the "CC" mintmark also brings a significant premium for 1885-dated issues.

Toolmarks and scratches under the eagle on the reverse make it clear that the counterfeiter removed a mintmark.

Read More: Counterfeit Detection Series
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 Posted 08/05/2021  10:36 pm  Show Profile   Bookmark this reply Add Earle42 to your friends list Get a Link to this Reply
Very easy to see this one.
The slabbed Half dollar No FG farce: Download No-FG half vs. Grading Company Claims report here: or higher resolution version:

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 Posted 08/05/2021  11:11 pm  Show Profile   Check jacrispies's eBay Listings Bookmark this reply Add jacrispies to your friends list Get a Link to this Reply
Very interesting, thank you for sharing this information. From a distance, this has been done pretty well, but on close inspection this is detectable. Maybe more wear to this coin would've covered the tool marks to a better extent.
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 Posted 08/06/2021  08:50 am  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Interesting, thank you.
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 Posted 08/13/2021  12:00 am  Show Profile   Bookmark this reply Add whatdowehavehere to your friends list Get a Link to this Reply
One safeguard against added or subtracted mintmarks is Die Variety Analysis, which exists for just about every older (especially those with denticles) coin series. On 'newer' coins, such as the 1909 SVDB cent and the 1916-D Merc dime, the placement of the mintmark is used to help identify faked/altered coins
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