POLAND: EAST PRUSSIA: Sigismund I, 1506-1548, AR groschen (1.94g), 1530, Gumowski-526, crowned bust right with SIGIS I REX PO DO YOCI PRVS around // eagle holding sword with GROS COMV TERR PRVS 1530 around, small straight clip at 9:00, EF to About Unc, ex El Dorado Coin Galleries Auction 10, Lot 2491 (with tag).
Estimate: 60-90 USD