Watch List notes:

COMMEMORATIVE MEDALS, WORLD MEDALS, Russia, Nicholas I, 100th Anniversary of the St Petersburg Academy of Sciences 1826, Silver Medal, by F Tolstoy, head of Nicholas right, rev Minerva enthroned, crowning the busts of Peter I and Alexander I with a wreath, 65mm (Diakov 447.1, R2; Reichel 3455). Good very fine and toned, scarce.

Estimate: £1200-1500