CHARLES SHIRREFF (SCOTTISH circa 1750- circa 1829) Portrait miniature of a Lady wearing a white dress with a Van Dyck collar, a blue dress with puff sleeves slashed to reveal a white underslip, a white bandeau in her powdered and curled hair watercolour on ivory gold frame, the reverse glazed to reveal brown silk within a blue enamel border oval, 60 mm (2 1/2 in) high PROVENANCE: Sale, Sotheby's London, 19 October 1981, lot 129