around circumfernce, inside wreath: FERRI FODINIS APERTIS (The iron works opened, 1641); in exergue: MDCXXXXI / ROMA
Purchased c. 1960/1985 by Lisa and Leonard Baskin, Leeds, Massachusetts; gift 1998 to NGA.
- Pollard, John Graham. Renaissance Medals. The Collections of the National Gallery of Art Systematic Catalogue. 2 vols. Washington, 2007: 2:no. 840, repro.