1947
Patrons' Permanent Fund, 1912
National Gallery of Art, 1829
National Gallery of Art, 1937
National Gallery of Art, 1897
Smith, Joshua P., 1938
National Gallery of Art, 1595
National Gallery of Art, 2004
National Gallery of Art, 1936
National Gallery of Art, 1966
National Gallery of Art, 1515
National Gallery of Art, 1622
National Gallery of Art, 1500
![Francesco I Sforza, 1401-1466, 4th Duke of Milan 1450 [obverse]](https://api.nga.gov/iiif/9463c4ad-2392-49b4-ba22-8c8271408cdd/full/843,/0/default.jpg)