2012
National Gallery of Art, 1938
National Gallery of Art, 1807
National Gallery of Art, 1954
National Gallery of Art, 1946
National Gallery of Art, 1936
National Gallery of Art, 2001
National Gallery of Art, 1935
National Gallery of Art, 1590
National Gallery of Art, 1939
National Gallery of Art, 1979
National Gallery of Art, 1441
![Le conchiglie [The Shells (in Petrucci's Study)]](https://api.nga.gov/iiif/9d4360e9-bf92-4ed3-a2db-118062cfda5f/full/843,/0/default.jpg)
![The She-Griffin of Perugia Suckling Two Infants [reverse]](https://api.nga.gov/iiif/e08b984e-1b3e-4ed9-94c5-33d7110f3830/full/843,/0/default.jpg)