Poland
Stephan Bathory Groschen 1580 MS62 NGC, Olkusz mint, Fish mm, Gum-688, Kopicki-493 (R7). Sharply detailed with just a hint of obverse doubling, lightly toned highpoints contrast nicely with bright and lustrous fields. A rare type in any grade, much less this choice presentation. Superb.Ex. Künker (June 2010, Auction 170, Lot 2947)
Estimate: 5000-6000 USD