around circumference: MAGNVS . LAVRENT / IVS . MEDICES
(Spink & Son Ltd., London); sold January 1981 to E.R.A. Unger, Richmond, England; (sale, Glendining's, London, 10 June 1987, no. 290); purchased through (Cyril Humphris, Ltd., London) by NGA.
- The Power of Appearances: Renaissance and Reformation Portrait Prints, Hood Museum of Art, Dartmouth College, Hanover, 2000, no cat.
- Luchs, Alison. "Lorenzo from Life?: Renaissance Portrait Busts of Lorenzo de' Medici." The Sculpture Journal 4 (2000): 10, fig. 11.
- Pollard, John Graham. Renaissance Medals. The Collections of the National Gallery of Art Systematic Catalogue. 2 vols. Washington, 2007: 1:no. 291, repro.