Watch List notes:

Netherlands 1 Ducat 1837 St. Petersburg Mint. Imitating a gold Ducat of Willem I Rare Russia 1 Ducat 1837. Russian Empire time of Nikolai I Pavlovich (1825-1855) AV 1 Ducat. In the types of the Netherlands trade coinage. St. Petersburg (with the marks of Utrecht) dated 1837 (though struck through 1867/8). 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. Friedberg 161. (date unlisted); KM-50.2 (under Netherlands); Bit-29. RARE. NGC AU 55