Gustave Dreyfus [1837-1914], Paris; his estate; purchased 1930 by (Duveen Brothers, Inc., London and New York); purchased 1945 by the Samuel H. Kress Foundation, New York; gift 1957 to NGA.
- Migeon, Gaston. "La collection de M. Gustave Dreyfus, V: Les plaquettes." Les Arts 80 (August 1908): 18, repro., as Sword Pommel, by Caradosso.
- Ricci, Seymour de. The Gustave Dreyfus Collection. Reliefs and Plaquettes. Oxford, 1931: 75, no. 103, pl. 31, as by Caradosso.
- Renaissance Bronzes: Statuettes, Reliefs and Plaquettes, Medals and Coins from the Kress Collection. Introduction by Perry B. Cott. National Gallery of Art, Washington, 1951: 148, as by Caradosso.
- Pope-Hennessy, John W. Renaissance Bronzes from the Samuel H. Kress Collection: Reliefs, Plaquettes, Statuettes, Utensils and Mortars. London, 1965: 100, no. 360, fig. 302, as North Italian, late fifteenth or early sixteenth century.