1617–1642
National Gallery of Art, 1459
National Gallery of Art, 1964
National Gallery of Art, 1620
National Gallery of Art, 1498
National Gallery of Art, 1986
Bruce Fund, Ailsa Mellon, 1748
National Gallery of Art, 1935
National Gallery of Art, 1974
National Gallery of Art, 1970
National Gallery of Art, 1950
National Gallery of Art, 1981
![Francesco I Sforza, 1401-1466, 4th Duke of Milan 1450 [obverse]](https://api.nga.gov/iiif/6aa7524d-35df-4d1d-a24b-9e8f959e9e8b/full/843,/0/default.jpg)
![Blue Club [working proof 8]](https://api.nga.gov/iiif/ca004a41-d32e-4561-9425-2045d02033f4/full/843,/0/default.jpg)
