ManofKnowledge.com | Coins Error Coins | Byers Numismatic | Error Trends Coin Magazine | Fred Weinberg & Co.

Al's Coins
Buy and sell error coins.

Byers Numismatic
Buy and sell the worlds finest mint errors.

Error Trends Coin Magazine
A monthly publication dedicated to serving the error coin hobby.

Fred Weinberg & Co.
Fine mint error coins, U.S. type, and world coins.

Ken Potter
Price Lists on Error Coins, U.S. Defaced Coinage Dies.

Rich Schemmer Error Coins
Specialties: Numismatic Errors, U.S. Patterns/Trials.

The Error Collection
Buy and sell error coins of all kinds.

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