1483–1485
Florentine 15th Century, 1500
Florentine 15th Century, 1450
Andrea del Verrocchio, 1475
Florentine 15th Century, 1465
Florentine 15th Century, 1480
Jacques Seligmann & Cie., 1889
Andrea del Verrocchio, 1485
Silberman Galleries, Inc., E. and A., 1633
Florentine 15th Century, 1400
Florentine 15th Century, 1390
![Francesco Petrarca [obverse]](https://api.nga.gov/iiif/11b96e3d-ab2d-425c-9828-08b847902a27/full/843,/0/default.jpg)
![Matthias Corvinus, King of Hungary 1458-1490 [obverse]](https://api.nga.gov/iiif/e1657c9e-0375-4187-abe5-8403730e0e41/full/843,/0/default.jpg)
![Cosimo de' Medici, 1389-1464, Pater Patriae [obverse]](https://api.nga.gov/iiif/5e882297-58da-468c-9cb6-6e8b1ddeaa00/full/843,/0/default.jpg)
![Wisdom Gazing at a Serpent [reverse]](https://api.nga.gov/iiif/03c07cc0-41a3-4c80-8863-1bdc5ecea8ad/full/843,/0/default.jpg)
![Dante before the Mountain of Purgatory [reverse]](https://api.nga.gov/iiif/bdd3e1ce-13d1-42bf-ab88-a1e2b74e86c6/full/843,/0/default.jpg)
