By metal: Coins of the Americas

The metal determines both the purpose of a coin and its price today. Copper went to small change, silver to the main denomination, gold and platinum to large face values. Fineness and pure metal weight are listed in every entry. 14 collections, 2 948 records in total. The largest: Silver — 928, Cupronickel (Copper-Nickel) — 550, Copper — 308, Bronze — 299, Iron (Steel) — 287. Every entry carries photographs of both sides, metal, fineness, weight, diameter, mintage and catalogue numbers after Bitkin, Uzdenikov and Conros. Groups with fewer than five records are not listed separately.