1944
Williams, Dave H. and Reba W., 1936
National Gallery of Art, 1998
National Gallery of Art, 1976
National Gallery of Art, 1937
National Gallery of Art, 1869
National Gallery of Art, 1500
National Gallery of Art, 2003
National Gallery of Art, 1822
National Gallery of Art, 1957
National Gallery of Art, 1744
National Gallery of Art, 1861
Williams, Dave H. and Reba W., 1950
![San Marco [working proof 3]](https://api.nga.gov/iiif/9ecc15a0-5fdb-47c9-b184-4a1cd856c9ac/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)
