Jeremiah Meyer, RA (British, 1735-1789)
Josiah Martin (17371786), wearing white coat with blue collar and lining, matching blue waistcoat, frilled white chemise and powdered wig worn en queue.
Enamel, gold frame with blue and white enamel borders.
Oval, 35mm (1 3/8in) high
Provenance: The Collection of the late Nigel Davis