Coin Error Guides

Expert guides to identifying valuable minting errors. Learn what to look for, how to check, and what your coins could be worth.

1979 Susan B. Anthony Dollar Errors

The 1979 Susan B. Anthony dollar was the first small-size dollar coin minted by the United States. Due to production iss...

Morgan silver dollars (1878-1921) are among the most collected US coins. Their large size and high relief make errors ea...

Sacagawea dollars (2000-present) launched with massive production and several notable errors. The most famous is the 200...

Eisenhower dollars (1971-1978) are the last large-size dollar coins. Both clad and 40% silver versions exist, and severa...

Peace dollars (1921-1935) feature a stunning Art Deco design. While fewer varieties exist compared to Morgan dollars, se...

The 2000 Sacagawea dollar launched with a massive promotion where 5,500 specially marked Sacagawea dollars were inserted...

The Presidential dollar series (2007-2016) features 39 different presidents and is notorious for its wide range of minti...

The 1921 Morgan dollar is the last year of this iconic series and was struck in enormous quantities at Philadelphia, Den...

The 1979 Susan B. Anthony dollar was the first small-size dollar coin in US history, and its debut year was plagued with...

The year 1921 is unique in U.S. coin history because it is the only year that both Morgan and Peace silver dollars were ...

The 1921 Peace dollar is a one-year-only high-relief design and one of the most coveted silver dollars in U.S. numismati...