Eimer 1400, BHM 2218.
49mm. Silver. By W.Wyon.
Obverse with draped bust of John Charles Earl Spencer, reverse with bust of Charles Duke Of Richmond. Edge named to Joseph Clark, 1868 although the full inscription is not visible due to the slab.
Slabbed and graded by NGC as MS64.
The certification number for this medal is 5880220-001.