Courland, Peter Biron / Lenne Ksi?stwo Kurlandii, Piotr Biron (1769-1795)
Ducat/Dukat kurlandzki, 1780. 3.4g. Peruked head right. Rev. Crowned oval shields (Kop.4105 - R4, Kam.391, Plage 551). Rare. Soft obverse strike. About Uncirculated. Estimate Value $1,500 - UP
Ex B. Ahlström Mynthandel AB Auction 39, Stockholm, 1989, lot 1746.