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Reference: Parchimowicz P241a.
A 1964 10-złoty trial coin struck to commemorate the 600th anniversary of the Jagiellonian University, designed by Józef Gosławski. The reverse features Casimir the Great seated on a throne and the dates 1364–1964.
A variant with the inscription “PRÓBA” (Trial) engraved in a concave font next to the king’s throne. The coin was struck in cupronickel with a mintage of 30,000 pieces.
The piece shown here has been graded by NGC as MS 66. An attractive addition to a collection of PRL proof coins.



