around circumference: COSMVS MED[ices] FLORENTIAE DVX II
Gustave Dreyfus [1837-1914], Paris; his heirs; purchased with the entire Dreyfus collection 9 July 1930 by (Duveen Brothers, Inc., London, New York, and Paris); sold 31 January 1944 to the Samuel H. Kress Foundation, New York; gift 1957 to NGA.
- Pontormo, Bronzino, and the Medici: The Transformation of the Renaissance Portrait in Florence, Philadelphia Museum of Art, 2004-2005, no. 36, repro.
- Pollard, John Graham. Renaissance Medals. The Collections of the National Gallery of Art Systematic Catalogue. 2 vols. Washington, 2007: 1:no. 361, repro.