on the truncation: I.R.T. (J. Rochelle Thomas, the issuer); below the truncation: LAUER
Purchased c. 1960/1985 by Lisa and Leonard Baskin, Leeds, Massachusetts; gift 2003 to NGA.
- Pollard, John Graham. Renaissance Medals. The Collections of the National Gallery of Art Systematic Catalogue. 2 vols. Washington, 2007: 2:no. 935, repro.