around circumference: .ALEXANDER.VI.PONT.MAX.IVST.PACIS.Q.CVLTOR.
Eugène Piot [1812-1890], Paris; (his sale, Hôtel Drouot, Paris, 21-24 and 27-30 May 1890, no. 640). Baron Adalbert von Lanna [1836-1909], Prague; (his estate sale, Rudolph Lepke's Kunst-Auctions-Haus, Berlin, 16-19 May 1911, 1st day, no. 141); Hermann Vogel [1841-1917], Chemnitz; by descent in the Vogel family; (sale, Sotheby's, London, 9-10 April 1992, 2nd day, no. 461); purchased by (Cyril Humphris, Ltd., London) for NGA.
- Pollard, John Graham. Renaissance Medals. The Collections of the National Gallery of Art Systematic Catalogue. 2 vols. Washington, 2007: 1:no. 264, repro.