George III (1738-1820), king of the United Kingdom of Great Britain and Ireland, and king of Hanover. Document addressed to Paymasters General giving permission for John Gunning Surgeon "to our Forces to exchange his commission with the half pay of Alexander Grant, a reduced Surgeon of our West India staff." Dated August 28, 1799, Court at St. James’s. Manuscript, ink on paper. 1 piece, unfolded leaf 33 x 41 cm (writing on 3 pages).