Royalty
WILLIAM IV
(1765-1837, King of Great Britain)
Signature as Duke of Clarence on envelope front,
addressed to his sister Her Royal Highness Dutchess of Gloucester, postmarked Teddington, 4¾ x 3½, no date,
Background
Princess Mary, Duchess of Gloucester and Edinburgh (1776-1857) was the 11th child and 4th daughter of King George III. She married her first cousin, Prince William Frederick, Duke of Gloucester and Edinburgh, when both were 40.
laid down
Stock No. 38642