Watch List notes:

Russia Medal 1840 of the St. Petersburg Technological Institute "For laudable successes".St. Petersburg Mint. No signature medal. Image of the Emperor of the early type - without a mustache (until 1840). Bronze 26.80 g. Diameter 41 mm. CPM # V.26. For analogs see Smirnov # 487 / a. Diakov # 531.1 (R0). Collectors Copy