around top circumference: OPVS SPERANDEI
Max Chabrière-Arlès, Lyons; purchased 1920/1921 by (Duveen Brothers, Inc., London, New York, and Paris); inheritance from Estate of Peter A.B. Widener by gift through power of appointment of Joseph E. Widener, ELkins Park, Pennsylvania, after purchase by funds of the Estate; gift 1942 to NGA.
- Pollard, John Graham. Renaissance Medals. The Collections of the National Gallery of Art Systematic Catalogue. 2 vols. Washington, 2007: 1:no. 97, repro.