1494–1495
National Gallery of Art, 1937
National Gallery of Art, 1961
National Gallery of Art, 1965
National Gallery of Art, 1857
National Gallery of Art, 1834
National Gallery of Art, 1936
National Gallery of Art, 1970
National Gallery of Art, 1728
National Gallery of Art, 1863
National Gallery of Art, 1500
National Gallery of Art, 1723
![Minerva Resting on a Spear and Shield [reverse]](https://api.nga.gov/iiif/233eb9c7-c33e-438b-9a52-67885f2a15c7/full/843,/0/default.jpg)
![Giangaleazzo Maria Sforza, 1469-1494, 6th Duke of Milan 1476 [obverse]](https://api.nga.gov/iiif/7a935ba3-407a-40c3-a496-43e302fe637f/full/843,/0/default.jpg)
