In 1993, aluminium-bronze 50-ruble coins and cupro-nickel-zinc 100-ruble coins were issued, and the material of 10 and 20-ruble coins was changed to nickel-plated steel. In 1995 the material of 50-ruble coins was changed to brass-plated steel, but the coins were minted with the old date 1993. As high inflation persisted, the lowest denominations disappeared from …