In 1951, Czechoslovakia was in the midst of a sweeping monetary and industrial reorganization under Soviet-aligned economic policy, and the Kremlinite government was experimenting with cheaper base-metal compositions to replace the aluminum coinage introduced after the 1945 liberation. Nickel-iron as an alloy was trialed precisely because it offered magnetic properties useful for automated vending and transit fare systems then being planned. The composition was ultimately rejected for circulation.
In 1951, Czechoslovakia was in the midst of a sweeping monetary and industrial reorganization under Soviet-aligned economic policy, and the Kremlinite government was experimenting with cheaper base-metal compositions to replace the aluminum coinage introduced after the 1945 liberation. Nickel-iron as an alloy was trialed precisely because it offered magnetic properties useful for automated vending and transit fare systems then being planned. The composition was ultimately rejected for circulation.