Duchy of Warsaw / Ksi?stwo Warszawskie
Ducat/Dukat, 1812 IB, 3.49g. Warszawa/Warsaw. Peruked head of Friedrich August right. Rev. Crowned oval Arms in spray (Kop.3703 - R3, Fr.68). Very light adjustment marks. Authenticated and graded by NGC MS 62. Brilliant Uncirculated. Estimate Value $2,500 - UP