This ring was made from a 10 Deutschmark coin commemorating the 30 year anniversary of the Treaty of Rome (formation of the European Economic Community). The edge of the ring bears the last names of the leaders of the signatory nations (Adenauer, Bech, De Gasperi, Luns, Schuman and Spaak). The coin is 62.5% silver and is a size 11 with a 9mm band width.