Coins in denominations of 10,15,20 kopecks are made of copper-nickel-zinc alloy, Coins in denominations of 1,2,3, 5 kopecks are made of copper-zinc alloy. The lot includes coins in denominations from 1 to 20 kopecks (1, 2, 3, 5, 10, 15, 20), issued during the reform period from 1961 to 1991 (used coins, different condition, mostly average, out of circulation ).
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