An antique Polish silver tympf equal to18 Groszy, 1668. The obverse features a crowned and armored bust of Johan Casimir right, with IOAN CASIMAR DG POL SVE around and the reverse features a crowned coat of arms of Poland with MONETA NOVA ARG REG POL 1668 around. Graded as VF20 by the Independent Coin Graders John II Casimir, 1609 to 1672, was King of Poland and Grand Duke of Lithuania from 1648 until his abdication in 1668 as well as titular King of Sweden from 1648 until 1660. He was the first son of Sigismund III Vasa with his second wife Constance of Austria. John Casimir succeeded his older half-brother, Władysław IV Vasa. Antique Coins For Collectors, World Coins, Monetary Numismatic Collectibles.