1596, Poland, Sigismund III Vasa. Silver 6 Groszy (Szostak) Coin. PCGS AU-55! Mint Year: 1596 Denomination: 6 Groszy (Szostak) Mint Place: Marienburg (Malborg) Reference: Gumowski 1151, Kopicki 904. R! Condition: Certified and graded by PCGS as AU-55! Mint Masters: Gonzalo & Gobelius (privy marks: Diamond-Ring / Triangle/Delta) Diameter: 27.6mm Material: Silver Weight: 4.62gm Obverse: Dra ...