1967
National Gallery of Art, 1562
National Gallery of Art, 1980
National Gallery of Art, 1918
National Gallery of Art, 1645
National Gallery of Art, 1854
National Gallery of Art, 1856
National Gallery of Art, 1844
National Gallery of Art, 1800
National Gallery of Art, 1474
National Gallery of Art, 1903
National Gallery of Art, 1983
National Gallery of Art, 1809
![Neptune before a Harbor [reverse]](https://api.nga.gov/iiif/f953335a-5ebb-4494-a3a6-30187a0c020b/full/843,/0/default.jpg)
![Federigo da Montefeltro, Count of Urbino [obverse]](https://api.nga.gov/iiif/22786dd6-5653-472e-8d2d-50afaefc4d43/full/843,/0/default.jpg)
