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Counterfeit detection has always been necessary.

The counterfeiting of money has occurred since the first coins entered into circulation thousands of years ago. Money operates in a system of scarcity; its value is either derived from the value of the metal on which the coin is struck or by government fiat.

Counterfeiters have long plied their trade on all money, whether out of economic necessity or to take advantage of the unsuspecting. This criminal undermining of the monetary system has led governments and banks to battle fakes and their makers with harsh punitive laws and the publication of material to help banks and businesses discern the difference between real and fake money.

Counterfeit detection is also essential in the collectibles market. As coin collecting became more popular, the incentive grew to alter, forge, or replicate valuable coins. Sometimes, this fakery involved various mechanical processes to create copies of rare coins. Other times, counterfeiters alter dates, manipulate mintmarks, or make other adjustments to pass less valuable coins for more valuable ones. With today’s advanced technology, forgers can now counterfeit on an industrial scale. 

Articles, Interviews, and Numismatic News

Here, you’ll find CoinWeek’s complete selection of counterfeit detection articles. Keep up-to-date with the latest families of counterfeit coins from experts like Jack Young and the authenticators at NGC and PCGS. Read news updates from industry organizations actively working with the Federal Government to catch fakes before they enter the country.

 

1861-S Quarter Dollar Counterfeit Detection.

Counterfeit Coin Detection – 1861-S Seated Liberty Quarter

A counterfeiter was hoping that this transplanted mintmark would fly under the radar   By Numismatic Guaranty Company (NGC) .....   In 1855, the relatively new San Francisco...
Counterfeit Coin Detection - 1841 Seated Liberty Silver Dollar

Counterfeit Coin Detection – 1841 Seated Liberty Silver Dollar

The 1840s were a time of real change for the silver dollar, but this particular coin is a fake   By Numismatic Guaranty Company (NGC) ......   The...

From the Dark Corner: Counterfeit Early Coppers in Genuine TPG Holders

By Jack D. Young, Early American Coppers (EAC) ......   So, here we are at 50 CoinWeek articles and a new installment of the “Dark Corner”!...

Counterfeit Coin Detection – 1915 Indian Head Eagle

Despite actually being made of gold, this coin gave graders déjà vu   Counterfeit 1915 Indian Head Eagle by Numismatic Guaranty Company (NGC) .....   The United States...

Counterfeit Coin Detection – 1889-CC Morgan Dollar With Added Mintmark

By Numismatic Guaranty Company (NGC) ..... This coin was part of a Numismatic Guaranty Company (NGC) grading contest, where only about a third of the...

ACEF Reports Fakers Using Same Cert Numbers Multiple Times

Recent examples of fake “certified” Morgan and Peace dollars have been found with the same certification numbers on the encapsulation inserts, cautions the Anti-Counterfeiting...

Counterfeit Coin Detection – 1927 Vermont Half Dollar

By Numismatic Guaranty Company (NGC) ..... The 1927 Vermont Sesquicentennial half dollar commemorates the Battle of Bennington, a key victory against the British in the...

Counterfeit Coin Detection – 1878-S and -CC Trade Dollars

By Numismatic Guaranty Company (NGC) ......   The United States Mint had high hopes when it introduced the Trade dollar in 1873. Silver miners believed that...
Counterfeit Coin Detection - 1802/0 Half Cent

Counterfeit Coin Detection – 1802/0 Draped Bust Half Cent

Telltale clues indicate this fake originated from a later coin   By Numismatic Guaranty Company (NGC) ...... The early years of the United States Mint saw some...

Counterfeit Coin Detection – Altered 1922 Grant Commemorative Half Dollar

By Numismatic Guaranty Company (NGC) ......   The classic commemorative series, while full of some of the best-designed United States coins of the 20th century, essentially...
From the Dark Corner: An "Authenticated" 1909-S VDB Lincoln Cent

From the Dark Corner: An “Authenticated” 1909-S VDB Lincoln Cent

By Jack D. Young, Early American Coppers (EAC) ...... Again, from my year-end review and organization of my archive folders and images comes another installment...
Fake Gold, Silver Coins on Hundreds of Websites: ACEF

Fake Gold, Silver Coins on Hundreds of Websites: ACEF

Investigators discover more than 300 websites selling counterfeit “rare coins” and “precious metal” items, including some advertisers on Walmart.com   A Long Island, New York investor...
Counterfeit Coin Detection - 1954-D Quarter Mint Error

Counterfeit Coin Detection – 1954-D Quarter Mint Error

The coin is real, but the second strike error is not   By Numismatic Guaranty Company (NGC) ......   In 1954, the Denver Mint struck over 42 million...
From the Dark Corner: An "Authenticated" 1804 G-04 Large Cent

From the Dark Corner: An “Authenticated” 1804 G-04 Large Cent

By Jack D. Young, Early American Coppers (EAC) ...... So, it’s been a while since my "last" installment of this series! In year-end reviewing and...
Counterfeit 1875-CC Half Dollars and Facebook “Sponsored” Ads

Counterfeit 1875-CC Half Dollars and Facebook “Sponsored” Ads

By Jack D. Young, Early American Coppers (EAC) ......   I first became aware of these counterfeits in fake PCGS slabs through a Facebook advertisement in...
Look Out! More Fake "Certified" Morgan Dollars Appear in Facebook Ads

Look Out! More Fake “Certified” Morgan Dollars Appear in Facebook Ads

By CoinWeek .... On January 16, CoinWeek published an article by Jack Young where he talked about a particularly egregious wave of counterfeit Morgan dollars...
An Epidemic of Counterfeit 1881-CC Morgans and Bad “PCGS” Slabs

An Epidemic of Counterfeit 1881-CC Morgans and Bad “PCGS” Slabs

By Jack D. Young, Early American Coppers (EAC) ...... The initial wave of fakes that I found (I recorded 13 different sellers during an approximately...

Counterfeit Coin Detection – 1877 Indian Head Cent

By Numismatic Guaranty Company (NGC) ......   A difference in facial expression is among the many clues this coin is fake * * * Although it had only...

Struck Counterfeit Coins: A Family of Struck Fake Large Cents

By Jack D. Young, Early American Coppers (EAC) ...... After writing the previous “family” article about rather deceptive struck counterfeit half cents based on the...
Counterfeit Coin Detection - 1904 Gold $20 Double Eagle

Counterfeit Coin Detection – 1904 Gold $20 Double Eagle

Counterfeit Coins -  1904 Double Eagle   By Numismatic Guaranty Company (NGC) ......   This counterfeit coin 1904 Double Eagle specimen exhibits relatively sharp design details, and its...

Counterfeit Detection – The 1895 Morgan Dollar

This 1895 Morgan dollar forgery is a simple case of just too much silver and not enough effort on the details.   The 1895 Morgan dollar...
Struck Counterfeit Coins: A Family of Struck Fake Draped Bust Dollars

Struck Counterfeit Coins: A Family of Struck Fake Draped Bust Dollars

By Jack D. Young, Early American Coppers (EAC) ......   In a discussion at the 2019 Dayton EAC Convention on counterfeits, we talked of three "families"...

Counterfeit Detection: Take a Look at Whizzed Coins

Whizzed Indian Head Cent A deceptive surface alteration leaves a genuine coin that can appear more valuable than it actually is Among the more common surface...
A New "Family" of Draped Bust Half Dollar Counterfeits

A New “Family” of Draped Bust Half Dollar Counterfeits

By Jack D. Young, Early American Coppers (EAC) ......   I have written several CoinWeek articles on groups of counterfeits I call "families", where a genuine...
Counterfeit Detection: Altered 1926-D Buffalo Nickel

Counterfeit Detection: Altered 1926-D Buffalo Nickel

By Numismatic Guaranty Company (NGC) ......   In 1926, the Denver Mint struck some 5.6 million Buffalo nickels, which is nearly six times the San Francisco...
Counterfeit Detection: Altered Date 1814 Large Cent

Counterfeit Detection: Altered Date 1814 Large Cent

By Numismatic Guaranty Company (NGC) ...... The Classic Head Cent was a short-lived seven-year series from 1808 to 1814, with a few commonly recognized varieties...
Another "Family" - Capped Bust Quarter Counterfeits

Another “Family” – Capped Bust Quarter Counterfeits

By Jack D. Young, Early American Coppers (EAC) ......   This latest installment is on an earlier series of the quarter denomination based on a B-10...

Counterfeit Coin Detection – 1900-S $5 Half Eagle

This Middle Eastern counterfeit coin lacks the details of a genuine 1900-S Half Eagle.   Counterfeit Coin Detection by Numismatic Guaranty Company (NGC) ......   When we think of...

Counterfeit Detection: Special Edition – Reprocessed Steel Cents

In the United States during World War II, numerous changes were made in order to support the war effort. One of the most noticeable...
NGC Counterfeit Detection: 1809 Large Cent

NGC Counterfeit Detection: 1809 Large Cent

This fake has problems with both its weight and its composition   By Numismatic Guaranty Company (NGC) ......   The United States Mint issued the Classic Head Cent...