1445–1504
Patrons' Permanent Fund, 1963
Patrons' Permanent Fund, 1973
Patrons' Permanent Fund, 1997
Patrons' Permanent Fund, 1964
Patrons' Permanent Fund, 1981
Patrons' Permanent Fund, 1977
Patrons' Permanent Fund, 1995
Patrons' Permanent Fund, 1975
Patrons' Permanent Fund, 1971
Patrons' Permanent Fund, 1412
![Pinion [recto] [experimental proof]](https://api.nga.gov/iiif/afbf55ab-2cb7-4498-b250-c789cebc459c/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 14]](https://api.nga.gov/iiif/91ba53bd-77be-44fc-8800-aad11c6a845d/full/843,/0/default.jpg)
![Green Angel 2 [trial proof 10]](https://api.nga.gov/iiif/ed994ade-0abf-4cd1-b8a5-60c08fdbf7b2/full/843,/0/default.jpg)
![Cicada [trial proof]](https://api.nga.gov/iiif/9fd72f7a-08a5-4a63-92e1-d22bba1526a3/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [C panel, trial proof 1]](https://api.nga.gov/iiif/ca0ff351-9b7b-4832-839e-6aa42a454366/full/843,/0/default.jpg)
![Untitled (White Mezzotint) [working proof]](https://api.nga.gov/iiif/4c677518-ffd4-43a9-971e-ab6f540f03b8/full/843,/0/default.jpg)
![3 [trial proof, 2 plates]](https://api.nga.gov/iiif/e3a34691-0c82-4362-841e-d4c7b72813c7/full/843,/0/default.jpg)
