Platinum coins of Российской империи

Platinum coins of Российской империи: 42 records in the reference, struck between 1826 and 1845. By denomination: ruble — 41, token — 1. By reign: Nicholas I — 41. Reference prices run from 90 200 to 16 053 000 roubles. Every entry carries photographs of both sides, metal, fineness, weight, diameter, mintage and catalogue numbers after Bitkin, Uzdenikov and Conros. 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.