Watch List notes:

Estonia Medal (1804) for Achievements in Science to Students of Dorpat University. St. Petersburg Mint 1805–1806. Obverse medalist K.A. von Leberecht (below the circle: C.LEBERECHT.F.). Silver approximately 66.6 g. Diameter 52 mm. CPM# 268. Smirnov# 348. Dyakov# 290.1 (R2) RARE NGC MS 64