Poland
Riga. Stephan Bathori 1 Grosz 1581 AU53 NGC, Gumowski-807, Kopicki-8081. Obv. Crowned head of King Stephan Bathory right, with the family arms of Bathory under the bust of the King. Rev. Crown over two shields with divided date 15-81 below. Usual uneven strike, with reverse flan flaw and considerable remaining luster. An exceptional condition example of this rare type.
Estimate: 6000-8000 USD