1599, Poland, Sigismund III Vasa. Silver 6 Groszy CoinMint Year: 1599 Reference: Kopicki 1246 (R1!). Denomination: 6 Groszy (Szostak) Mint Place: Marienburg (Malborg) Mint Masters: Gonzalo & Gobelius (privy marks: Diamond-Ring / Triangle/Delta) Weight: ca. 4.5gm Diameter: 28mm Material: Silver Obverse: Draped and crowned (small) bust of Sigismund III Vasa with lar ...