GERVASE SPENCER (d. 1763)
A Boy, facing left in gold-bordered blue velvet coat, gold bordered white waistcoat and frilled cravat, powdered wig en queue
signed with initials and dated 'GS 1759' (lower right)
enamel on copper
oval, 1.13/16 in. (46 mm.) high, gilt-metal frame
Edward Grosvenor Paine, no. 606; Christie's, London, 23 October 1979, lot 90 (£1,300).