Collecting Error Coins Just as nearly every family has its black sheep, virtually every coin series has its failures. These are known as errors or mis-struck coins, and have a following all their own.
Israel Error Coins The site focuses on Israeli error coins but also features Canadian, U.S. and others. See bi-metallic errors, coins struck on scrap metal, and others.
Silver Dollar VAMs Detailed information on silver dollars, specifically Morgan and Peace Dollar die varieties known as VAMs.
Error Coins Magazine Monthly magazine devoted to error coin collecting. Available by subscription.
Baker Numismatics Photographic image library of coins with doubled dies, repunched mintmarks, over mintmarks, and repunched dates.
World Error Coins Describes and illustrates dramatically mis-struck foreign coins. Includes information on recognizing various types of error coins as well as articles on how to get started collecting them.
Rotated Die Coin Census Census for US coins with major die rotation of 90 degrees to 180 degrees. Includes fake error detection and measurement indices.
Error World Internet club devoted to error and variety coinage of all kinds.
