Obverse: crown, below an inscription Obverse legend: “SIG III D G REX POL M D L” Reverse: eagle and the inscription Reverse legend: “GROSS REG POLO 1609” Denomination: Grosz (Groschen) Country: Polish–Lithuanian Commonwealth Ruler: Sigismund III Year: 1609 Mint: Krakow Metal: silver Weight ± 1.24 g. Diameter ± 21 mm Authenticity unconditionally guaranteed !