Poland
Stanislaus Augustus silver Pattern 1/2 Gulden (2 Grosze) 1771 MS64 NGC, Warsaw mint, KM-Pn94, Kopicki-2327, Parchimowicz-1257a. With stunning tone over prooflike surfaces, this rare Proba delights in hand and will certainly elicit spirited bidding.
Estimate: 2500-3000 USD