William Bone Senior (British, active 1815-1843)
Emma, Lady Hamilton (1765–1815), wearing ochre dress, dark green cloak and leaves in her hair, she holds a mask in her right hand.
Enamel, signed on obverse with initials and inscribed W.B./ from Sir J.R 1783, gilt-metal frame.
Rectangular, 75mm (2 15/16in) high
Provenance: Sotheby's, 11 November 1993