Poland, Sigismund III, the Crown, groschen 1593, Olkusz mint.
A rare variety with mintmarks sun and jug (unknown mintmasters) under the king's bust.
Silver, 1.73 g, 22.6 mm. H-Cz. 7280 (R3), Kop. 738 (R5), Kopicki (ZIIIW) 204 (R5), Kurp. (1587–1632) 258 (R3), PN80-Dut. 08B (R6), Tyszkiewicz 12 mk.
Grade: XF, lustrous.