lower left in plate: B. West R.A. pinxit, London, 1773 / Publish'd Feb 15th 1775, by V. Green; lower right in plate: V. Breen, Engraver in Metzotinto to his Majesty, fecit; by later hand, lower right in graphite: P4116 / CS138 - R iv/v / W i/ii / RTL / CLB; by later hand, lower left verso in graphite: 240x240 / 299 x 277 / 389 x 277 ; by later hand, lower center in graphite: 33 / Pierie
Christopher Lennox-Boyd; (C. G. Boerner Limited, New York); purchased 2001 by NGA.
- Whitman, Alfred. British Mezzotinters: Valentine Green. London: A.H. Bullen, 1902.
- Russell, Charles Edward. English Mezzotint Portraits and Their States. 2 vols. London: Halton and Truscott Smith, Ltd., 1926.
- C. G. Boerner Ltd. Mezzotints from the Collection of Christopher Lennox-Boyd. London, 2001: no. 36.