Poland
Thorn. Sigismund I 3 Groszy (Trojak) 1530 XF Details (Mount Removed, Cleaned) NGC, Thorn mint, Iger-T.30.1a (R5), Dutkowski/Suchanek-1179 (R5). A rare offering of Thorn, somewhat the worse for wear, but a difficult piece to obtain. This bust type appears at auction far less often than that of Iger-T.30.2.
Estimate: 800-1200 USD