Error coins

All Certified Coins

American error coin dealer that specializes in only certified coins that are mostly from the United States. Also offers a number of error coins from the United States.
Fred Weinberg & Co.

California based error coin dealer that is a buyer and seller of rare United States mint errors. Also sells through online auctions on eBay.
Ken Potter's Variety Vault

Site of an error coin dealer that sales thematic coins, rares coins reproductions,Error coins , books and others.

American national numismatic organization devoted to the education of error and variety coin collectors. An error coin collector club site.

Check these interesting coin articles:

  1. Rarest gold coin list
  2. Selling rare gold coins
  3. What are error coins?
  4. Metal detecting coins
  5. How to collect and maintain your old coins