1539
Samuel H. Kress Foundation, 1474
Samuel H. Kress Foundation, 1500
Inc. Duveen Brothers, 1500
Inc. Duveen Brothers, 1507
Samuel H. Kress Foundation, 1475
Gustave Dreyfus, 1475
Inc. Duveen Brothers, 1528
Inc. Duveen Brothers, 1504
Gustave Dreyfus, 1470
Gustave Dreyfus, 1478
![Genius Holding a Dolphin and Sacrificing [reverse]](https://api.nga.gov/iiif/b590968f-d881-443a-a337-e587af0dbcd0/full/843,/0/default.jpg)
![Giangaleazzo Maria Sforza, 1469-1494, 6th Duke of Milan 1476 [obverse]](https://api.nga.gov/iiif/da01db2f-21b2-48a9-adc6-9dd7a44f7e22/full/843,/0/default.jpg)
![Isabella of Aragon, 1470-1524, Wife of Giangaleazzo Sforza, Duke of Milan, 1489 [obverse]](https://api.nga.gov/iiif/ae21e410-4866-4a87-b659-2447d4877c1d/full/843,/0/default.jpg)
![Costanzo Sforza, 1447-1483, Lord of Pesaro 1473 [obverse]](https://api.nga.gov/iiif/bbfd102d-25de-4fd1-9854-bb91fb217204/full/843,/0/default.jpg)
![Shield with Casques and Crests [reverse]](https://api.nga.gov/iiif/3a1bcb7d-ab17-408e-a743-95a00d292ce8/full/843,/0/default.jpg)
![Occasion in Pursuit of Time [reverse]](https://api.nga.gov/iiif/31ff9709-7ba8-4f5a-a70b-bd30cc5ac322/full/843,/0/default.jpg)
![Maria of Aragon, after 1503-1568, Wife of Alfonso II d'Avalos [obverse]](https://api.nga.gov/iiif/9165369f-95d0-44e6-9d3e-f8677b3cf96c/full/843,/0/default.jpg)
![Allegorical Scene [reverse]](https://api.nga.gov/iiif/4f671e0a-7503-4a77-87b1-0ec7ef2b6b22/full/843,/0/default.jpg)
![Figure in Antique Armor [reverse]](https://api.nga.gov/iiif/b7f3bce5-32cb-4393-86fb-deeb23630873/full/843,/0/default.jpg)