1627, Poland, Sigismund III Vasa. Silver 6 Groszy (Szostak) Coin. Mint Year: 1627 Mint Place: Krakau Denomination: 6 Groszy (Szostak) Reference: Gumowski 1168, KM-42. Diameter: 25.3mm Material: Silver Weight: 3.64gm Obverse: Draped and crowned bust of Sigismund III Vasa with large collar right. Legend: SIGIS : III : D : G : (shield) . REX POL . MD . L . Reverse: Crown ab ...