Great Britain. Silver Coronation Medal, 1831. BHM-1475; Eimer-1251. Silver. 33 mm. The official Royal Mint issue. William IV. Obverse portrait of king right by Wyon. Reverse; Queen Adelaide. Uncirculated with a light blue and gray toning. Tough to find in this condition now. PCGS graded Specimen 63. Estimated Value $550 - 600