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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.

 

NGC Counterfeit Detection: 1908 Quarter Eagle

NGC Counterfeit Detection: 1908 Quarter Eagle

The problems with this low-quality fake start with a glaring error   By Numismatic Guaranty Company (NGC) ...... The Indian Head Quarter Eagle series that began in...
NGC Counterfeit Detection: 1884-CC Morgan Dollar

NGC Counterfeit Detection: 1884-CC Morgan Dollar

By Numismatic Guaranty Company (NGC) ...... The 1884-CC was once considered one of the greatest rarities of the Morgan Dollar series. However, the GSA sales...
NGC Counterfeit Coin Detection: Walking Liberty Half Dollars

NGC Counterfeit Coin Detection: Walking Liberty Half Dollars

A fistful of what appeared to be vintage silver coins turned out to be fakes   A couple of years ago, NGC received a submission of...
NGC Counterfeit Coin Detection: 2000-P American Silver Eagle

NGC Counterfeit Coin Detection: 2000-P American Silver Eagle

This spurious issue includes fuzzy details and missing elements   The American Silver Eagle is one of the most popular coin series in the world. In...
NGC Counterfeit Coin Detection: 1867 Indian Head Cent

NGC Counterfeit Coin Detection: 1867 Indian Head Cent

The numbers just don't add up on this fake coin   By Numismatic Guaranty Company (NGC) ......   The Indian Head Cent series of 1859-1909 remains one of...
NGC Counterfeit Coin Detection: Altered 1893 Morgan Dollar

NGC Counterfeit Coin Detection: Altered 1893 Morgan Dollar

A mintmark was added to this silver coin to make it look like a valuable Carson City example   By Numismatic Guaranty Company (NGC) ...... As Morgan...
Counterfeit Coin Detection: 1880-CC Morgan Dollar

Counterfeit Coin Detection: 1880-CC Morgan Dollar

This fake is mostly copper, but even if you didn’t know that, there are other red flags   By Numismatic Guaranty Company (NGC) ...... The 1880-CC Morgan...
Counterfeit Coin Detection - Authenticating the 1909-S VDB Cent

Counterfeit Coin Detection – Authenticating the 1909-S VDB Cent

By Numismatic Guaranty Company (NGC) ...... Altered and counterfeit Coin - 1909-S VDB cents are quite common. Examining several key features can help you avoid...
The Expanded Family of Counterfeit Large Cents Based on the 1833 N-5 Variety

The Expanded Family of Counterfeit Large Cents Based on the 1833 N-5 Variety

By Jack D. Young, Early American Coppers (EAC) for CoinWeek ..... In my previous CoinWeek article on these 1833 “N-5” counterfeits, I cited the genuine...
Counterfeit Coin Detection - 1850 JB Costa Rica Gold Escudo

Counterfeit Coin Detection – 1850 JB Costa Rica Gold Escudo

A missing skirt is among the clues that this coin isn't real   Only 6,167 Costa Rican gold escudos were struck in 1850, making it a...
How to Avoid Becoming the Victim of a Fake Gold Coin

How to Avoid Becoming the Victim of a Fake Gold Coin

By Tony Davis – Atlanta Gold & Coin Buyers ...... We recently met with an individual that was interested in selling a Canadian gold...
Commonsense Counterfeit Detection: Philippines Counterstamped 8 Reales

Commonsense Counterfeit Detection: Philippines Counterstamped 8 Reales

By Jay Turner for PCGS ...... There are many counterfeits and altered coins that unfortunately often defraud people in pursuit of building their collection or...
Struck Counterfeit Coin of the Week: 1797 “S-136” Large Cent + 1-Page Attribution Guide

Struck Counterfeit Coin of the Week: 1797 “S-136” Large Cent + 1-Page Attribution Guide

By Jack D. Young, Early American Coppers (EAC) for CoinWeek ..... This latest installment in the continuing summary of the deceptive struck counterfeits documented to...
Anti-Counterfeiting Educational Foundation Warns: Hundreds of Websites Selling Fake Coins

Anti-Counterfeiting Educational Foundation Warns: Hundreds of Websites Selling Fake Coins

ACEF warns of fake “precious metal” and “rare coins” offered online, and helps a Texas investor who became an unsuspecting victim   Looking to buy gold...
From the Dark Corner: An "Authenticated" Counterfeit 1723 Rosa Americana!

From the Dark Corner: An “Authenticated” Counterfeit 1723 Rosa Americana!

By Jack D. Young, Early American Coppers (EAC) ...... Since my "last" installment of this series about my 1796 large cent , I have attended...
From the Dark Corner: An "Authenticated" Amazing Counterfeit 1796 Large Cent

From the Dark Corner: An “Authenticated” Amazing Counterfeit 1796 Large Cent

By Jack D. Young, Early American Coppers (EAC) ...... So, here we are after my "last" installment of this series. In that one, I stated:...
From the Dark Corner: An "Authenticated" Counterfeit 1798 "S-158" Large Cent

From the Dark Corner: An “Authenticated” Counterfeit 1798 “S-158” Large Cent

By Jack D. Young, Early American Coppers (EAC) ...... This is the last of my intended short Dark Corner articles - a fitting last example,...

Counterfeit Coin Detection – 1891 Double Eagle US Gold Coin

Counterfeit Coin - 1891 Double Eagle   By Max Spiegel –  Numismatic Guaranty Corporation ...... NGC graders identified an 1891-S Double Eagle with a removed mintmark. Because...
It's a Jungle out There! Later Date Large Cent Counterfeits

It’s a Jungle out There! Later Date Large Cent Counterfeits

By Jack D. Young, Early American Coppers (EAC) ...... As I continue to document the "family" of counterfeits currently available on the market, both as...

Counterfeit Protection: 1881-S Morgan Dollar

By Max Spiegel – Numismatic Guaranty Company (NGC) ...... Raised areas and the incorrect shape of the mintmark identify this 1881-S Morgan as a counterfeit. The 1881-S...
Counterfeit Coin Detection - 1942/41 Mercury Dime Overdate

Counterfeit Coin Detection – 1942/41 Mercury Dime Overdate

Counterfeit Coin Detection by Paul Sandler - Grader/Researcher, Numismatic Guaranty Company (NGC) ...... Altered dates and outright counterfeits are the two most common types of...
Struck Counterfeit Coins: Another Family of Struck Fake Large Cents - Jack D. Young

Struck Counterfeit Coins: Another Family of Struck Fake Large Cents

By Jack D. Young, Early American Coppers (EAC) ...... It has been a while since I wrote my CoinWeek article on the "family" of large...

Counterfeit Coin Detection – 1857 Half Cent

Problems abound on the obverse and reverse of this crude fake   By Max Spiegel - Numismatic Guaranty Company (NGC) ...... The Half Cent denomination that had...

Counterfeit Coin Detection – A Fake 1861 Type 2 US Gold Quarter Eagle

Counterfeit coin - 1861 Type 2 Quarter Eagle   By Max Spiegel - Numismatic Guaranty Company (NGC) ...... Raised lumps of metal and lack of detail are...
From the Dark Corner: An "Authenticated" Counterfeit 1836 Gobrecht Dollar

From the Dark Corner: An “Authenticated” Counterfeit 1836 Gobrecht Dollar

By Jack D. Young, Early American Coppers (EAC) ...... Another of the holed and Gobrecht dollar repaired fakes, the 1836 Gobrecht dollar is one of...
From the Dark Corner: An "Authenticated" Counterfeit 1854 Huge O Liberty Seated Quarter

From the Dark Corner: An “Authenticated” Counterfeit 1854 Huge O Liberty Seated Quarter

By Jack D. Young, Early American Coppers (EAC) ......   In the previous installment, I discussed counterfeits struck from dies made from damaged and repaired genuine...

Counterfeit Coin Detection – 1908-S Counterfeit Indian Head Cent

1908-S Counterfeit Indian Head Cent   By Numismatic Guaranty Company (NGC) ......   The grading room was recently presented with a 1908-S Indian Head cent for certification. The 1908-S...

Price for American Numismatic Association Diploma Program to Increase

Members encouraged to take advantage of current price point   American Numismatic Association (ANA) members have until April 1 to take advantage of the current School...
From the Dark Corner: An "Authenticated" Counterfeit 1927-S Standing Liberty Quarter

From the Dark Corner: An “Authenticated” Counterfeit 1927-S Standing Liberty Quarter

By Jack D. Young, Early American Coppers (EAC) .....   In the previous installment, I discussed an example that had been "tooled" to look like something...

Counterfeit Coin Detection – 1876-CC 20 Cent Piece

This counterfeit of an unusual denomination shows plenty of clues that it isn't worth a fortune   By Numismatic Guaranty Company (NGC) ...... The 20 cent piece...