[William IV, King of the United Kingdom.] Autograph Signature (as Duke of Clarence) on frank addressed by him to Dr Carmichael Smith.

See the entry for the ‘Sailor King’ in the Oxford DNB. On 12 x 7 cm piece of paper, cut from the cover of a frank. In fair condition, lightly aged and worn, with slight smudging and a small patch of light discoloration at centre (away from signature). Set out in customary fashion, and addressed by the future king (with the year cropped): ‘London. December fourth [...] / Dr: Carmichael Smith / M. D. / Upper [?] / Near Staines / Middlesex’. Firm signature at bottom left, with slight smudging to loops of the initial ‘C’: ‘Clarence’. See Image.