Watch List notes:

Russia, Grand Duchess Marie Alexandrowna (1853-1920), marriage to Alfred, Duke of Edinburgh, 23 January, 1874, by A. B. Wyon, conjoined heads l., rev. DUKE AND DUCHESS OF EDINBURGH ..., 30mm. (Diakov 809.2, listed in gold (R4 and silver R3; BHM.2978, listed in copper and white metal as R; W&E.1219), extremely fine and rare
The couple were married at the Winter Palace in St. Petersburg – Alfred was the only child of Queen Victoria not to be married in England. The bride's father, Alexander II, made a state visit to London in May.

Estimate: 80 - 120 GBP