Russia
Alexander II silver Specimen Medal "For Usefulness" ND (1855-81) SP61 PCGS, Diakov-639, Smirnov-561/a. By V. Alexeev. This piece is the type of Diakov-639, but it is 44mm and not the 51mm size listed in Diakov. Awarded for special achievements in commerce and agriculture. Obv. Bust of Alexander II left. Rev. Circulation inscription. Deeply mirrored fields with bold relief and blue highlights around the devices. Very rare.
HID02901242017
Estimate: 3500-4500 USD