Poland
Stephan Bathory 3 Groszy (Trojak) 1580 VF35 NGC, Olkusz mint, Kopicki-516 (R7), Iger-O.80.8c (R6). Toned with moderate unevenness of strike to one side, but rare and highly sought after. This variety is defined by the horseshoe arms dividing the date and the lack of the initials P-Z on the reverse.
Estimate: 3000-4000 USD