Description
RICHARD COSWAY RA (BRITISH, 1742-1821) A portrait miniature of a gentleman called, Isaac Blackburne (1759-1830), wearing a blue coat, white waistcoat, cravat and stock, his hair powdered. Watercolour on ivory, gold frame, the reverse glazed to reveal plaited hair. Oval, 72mm ( 2 13/16in) high