Netherlands 1 Ducat 1837 St Petersburg Mint. Russian imitation of Dutch ducat minted unofficially in St.Petersburg to cover foreign expenses; of Willem I Rare Russia 1 Ducat 1837. Russian Empire time of Nicholas I (1826-1855). AV 1 Ducat. In the types of the Netherlands trade coinage. St. Petersburg (with the marks of Utrecht) dated 1837. PARVAE CRESCUNT• CONCORDIA RES knight standing right holding sword and bundle of arrows; sword and caduceus (privy mark and mintmark) across upper fields date across lower fields / MO• AUR• REG• BELGII AD LEGEM IMPERII• inscribed within ornamented cartouche. Gold 3.28g. Attractive coin with nice luster. Bitkin 29. Rare year