Poland
Stephan Bathory 1 Grosz 1580 XF45 NGC, Gumowski-687 (R), H-Cz 649 (R6). Obv. Crowned head of Stephan Bathory right. Rev. Crown over two shields, with small shield below for Zborowski, on either side of the small shield is P-Z for Pierre Zborowski. Well struck for the issue, with no major flaws. Very rare.
Estimate: 9000-11000 USD