Poland
Revolutionary 3 Groschen 1831-KG MS63 Red and Brown NGC, Warsaw mint, KM-C120. Struck during the Polish Uprising, this one-year type displays sublime surfaces in warm, mahogany-brown with vibrant magenta iridescent tone throughout. A choice offering with plenty of appeal, highly-collectible in this select level of mint state.
Estimate: 1500-2000 USD