Error coins are those coins which during the manufacturing process were improperly formed or stamped. These coins include but are not limited to double dies, cuds, mules, wrong planchet or material errors. Sites in this category provide information about collecting, identifying and authentication of error coins.

Related categories 1

Combined Organizations of Numismatic Error Collectors of America
National numismatic organization devoted to error and variety collectors.
[Gardener Mozilla]
Last update:
October 5, 2016 at 9:24:11 UTC
Recreation
Reference
Regional
Science
Shopping
Society
Sports
All Languages
Arts
Business
Computers
Games
Health
Home
News