Ancient to Early Medieval Bi-metallics «
http://www.coinmall.com/CSNA/anc.htm | | A quick review of early bi-metallic coinage. |
Bi-metallics Coins, Tokens «
http://www.wbcc.fsnet.co.uk/sub003.htm | | Includes articles on the subject , and some images. |
Joel Anderson: World coins «
http://www.joelscoins.com/ | | 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. «
http://wbcc-online.com/ | | 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. |
