1611–1661
National Gallery of Art, 1847
National Gallery of Art, 1935
National Gallery of Art, 1959
Bruce Fund, Ailsa Mellon, 1580
National Gallery of Art, 1933
National Gallery of Art, 1848
Bruce Fund, Ailsa Mellon, 1770
National Gallery of Art, 1641
National Gallery of Art, 1500
National Gallery of Art, 1912
National Gallery of Art, 1895
National Gallery of Art, 1616
![Giangaleazzo Maria Sforza, 1469-1494, 6th Duke of Milan 1476 [obverse]](https://api.nga.gov/iiif/4f972cf3-1fd0-4694-a10f-95fce54bbf38/full/843,/0/default.jpg)
