Russia
Elizabeth silver Battle Medal for the Victory at Kunersdorf 1759 XF Details (Mount Removed) NGC, original by T. Ivanov, Diakov-105.1 (R2), 40 mm. Obv. Crowned, and draped, bust of Elizabeth right. Rev. Warrior in ancient dress holding banner on the battlefield. Amazingly free of flaws until one looks at the edges, where it appears that a mount has been removed from the entire edge.
Estimate: 600-800 USD