Watch List notes:

Russia, Nicholas I Diakov 594.1 Construction of the Blagoveshchensk Bridge of the Neva River in silver, struck 1850. By A. Klepikov & A Lyalin. Rare. Obv: Double-headed Imperial eagle soaring over completed bridge. Reverse: Hercules and Minerva cross flowing river from river goddess's urn. Cleaned and polished. VF