Ancient to Early Medieval Bi-metallics
A quick review of early bi-metallic coinage.
Bi-metallics Coins, Tokens
Includes articles on the subject, and some images.
Encased Coins of Earl Fankhauser
Encased coins are a variety of bi-metallics. Learn about 'The Penny Man'-- Earl Fankhauser -- the most prolific maker of encased coins in history.
Joel Anderson: World coins
An offering of world coins and paper money and associated catalogs. Interesting list of bi-metallic coins for sale, with some scans.
W.B.C.C.
Online site of the Worldwide Bi-metallic Collectors Club, created to pool information about this type of coin. Includes catalogue, an image gallery, and all the club's newsletters.