Russia
Grand Duke Oleg Medal 912 death of Oleg MS61 NGC, Diakov-1706. Issued for the death of the Grand Duke. Struck in white metal. The Grand Duke is portrayed in armor facing right on the obverse. Reverse has four mounds between trees and bushes. Engravers are Ivanov & Yudin, diameter is 79 mm. From the Historical Medal series produced during the reign of Catherine II in the 18th century.
Estimate: 200-400 USD