Silver medal n. d. (1797-1801), 9.34 g. Prize medal. On the Russian academy of sciences. Unsigned. Crowned monogram. Rv. On a pedestal in the form of a cube with an inscription, a book, lyre, scepter, and an owl on a globe. 37.9 mm. Diakov 257.1 (R2). Extremely fine. Beautiful toning.