around circumference: CAESAR IMPERATOR PONT[ifex] P P P ET SEMPERAVGVSTVS VIR
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.
- Da Pisanello alla nascita dei Musei Capitolini: L'Antico a Roma alla vigilia del Rinascimento, Musei Capitolini, Rome, 1988, no. 21.
- Hill, George Francis, and Graham Pollard. Renaissance Medals from the Samuel H. Kress Collection at the National Gallery of Art. London, 1967: no. 211.
- Norris, Andrea S. "Gian Cristoforo Romano: The Courtier as Medalist." Studies in the History of Art 21 (1987):137, repro.
- Radcliffe, Anthony. "Two Early Romano-Mantuan Plaquettes." Studies in the History of Art 22 (1989):96, repro.
- Pollard, John Graham. Renaissance Medals. The Collections of the National Gallery of Art Systematic Catalogue. 2 vols. Washington, 2007: 1:no. 241, repro.