Poland
Republic gold Proof 2000 Zlotych 1979-MW PR68 Ultra Cameo NGC, Warsaw mint, KM-Y107. Struck in honor of Mikolaj Kopernik (better known to English speakers as Nicolaus Copernicus), the Polish polyglot best known for formulating a model of the universe that placed the Sun at the center of the universe rather than the Earth. Not as often encountered as the other 2000 Zlotych commemorative of 1979, in honor of Marie Curie.
HID02901242017
Estimate: 300-400 USD