 These coins contained 8.6 g of .900 alloy, and fetched a high rate on the foreign stock exchanges, allowing the financing of the Soviet Union's New Economic Policy.2,751,200 coins with the year 1923 on the reverse were minted in 1923 (1,113,200 pieces) and 1924 (1,638,000 pieces).With the creation of the Soviet Union (USSR) new national symbols were introduced, reflected in the design of Soviet coins.