1550
Patrons' Permanent Fund, 1976
Patrons' Permanent Fund, 1981
Sweden Private Collection, 1800
Patrons' Permanent Fund, 1785
Patrons' Permanent Fund, 1872
Patrons' Permanent Fund, 1989
Patrons' Permanent Fund, 1775
Christie, Manson & Woods, Ltd., 1622
Christie, Manson & Woods, Ltd., 1840
Sweden Private Collection, 1775
Patrons' Permanent Fund, 1994
Patrons' Permanent Fund, 1996
![Flagstones (a) [trial proof 3]](https://api.nga.gov/iiif/a9e44476-425c-4768-a648-d2a9ab3ece41/full/843,/0/default.jpg)
![Periscope [trial proof]](https://api.nga.gov/iiif/4406e5a6-814f-4d46-9413-0123d7758b78/full/843,/0/default.jpg)
![The Seasons (Fall) [state proof of 10th state]](https://api.nga.gov/iiif/62cc7bc2-d147-4e8e-aad1-4a6b522fcc8b/full/843,/0/default.jpg)
![Untitled [trial proof B]](https://api.nga.gov/iiif/2747dae8-9eaf-45da-9467-567f9161a707/full/843,/0/default.jpg)
