Rembrandt, Old Man Leaning on a Stick, 1632-1635, Robert Lehman Collection, Metropolitan Museum.

Lucien Freud, drawing of Pauline Tennant, 1945

Christie’s Sale 13100, Defining British Art, 30 June 2016, King Street, London, Estimate: £2,000,000 – £3,000,000 ($2,844,000 – $4,266,000).