around bottom circumference: P P R; around circumference: LEONAR.MARINVS ARCHIEPS.LANC
Chigi Collection, Ariccia, in 1674. private collection, Italy; (sale, Sotheby's, Florence, 14 May 1975, no. 67). private collection, England; (sale, Sotheby's, London, 22 April 1986, no. 139); purchased by NGA.
- Pollard, John Graham. Renaissance Medals. The Collections of the National Gallery of Art Systematic Catalogue. 2 vols. Washington, 2007: 1:no. 404, repro.