Trial strikes from the Czechoslovak State Mint in the mid-1930s were produced to test die alignment, press pressure, and planchet feed — not for circulation or public release. Striking a ducat denomination in copper-nickel rather than the traditional gold alloy was standard internal procedure; the metal's hardness and uniform hardness characteristics made it useful for evaluating die wear under production conditions. Most were melted, which is why survivors appear so rarely in trade.
Trial strikes from the Czechoslovak State Mint in the mid-1930s were produced to test die alignment, press pressure, and planchet feed — not for circulation or public release. Striking a ducat denomination in copper-nickel rather than the traditional gold alloy was standard internal procedure; the metal's hardness and uniform hardness characteristics made it useful for evaluating die wear under production conditions. Most were melted, which is why survivors appear so rarely in trade.