Lot Essay
An old label on the reverse reads: '1747 Duke of Buckingham Sir G. Kneller 257 gns'. However, the traditional identification of the sitter as the statesman and author John Sheffield, 1st Duke of Buckingham and Normanby, who Gilbert Burnet described as 'a nobleman of learning, and good natural parts, but of no principle', is not accepted by Stewart (op. cit.) and is considered doubtful by John Ingamells (op. cit.). Stewart dates the portrait to circa 1685.