Error coin dealers
Byers Numismatic Corp A California based corporation that specializes in rare World & U.S. Mint Error coins and Die Trials. Also publishes and sells the Mint mistakes News Magazine.
Fred Weinberg & Co. California based buyer and seller of rare United States numismatic error. Also sells through online auctions on eBay.
Ken Potter's Variety Vault Site of a coin dealer that sales thematic coins, rares coins reproductions, error coins, books and others.
George Manz Coins Section of a worldwide coin dealer site with a selection of coin collecting errors for sale from a few countries. large selection of world error coins.
Al's Coins American dealer based in California that has been specializing in mint and error coins for 25 years. Also auctions on eBay.
Check these interesting coin articles: