1991
Patrons' Permanent Fund, 1775
Patrons' Permanent Fund, 1992
Patrons' Permanent Fund, 1873
Patrons' Permanent Fund, 1919
Patrons' Permanent Fund, 1976
Patrons' Permanent Fund, 1983
Patrons' Permanent Fund, 1969
Patrons' Permanent Fund, 1995
Patrons' Permanent Fund, 1928
Patrons' Permanent Fund, 1970
![Untitled [trial proof]](https://api.nga.gov/iiif/e5e496cd-de3a-46d6-a81b-ecfad4ddcf17/full/843,/0/default.jpg)
![Figure 5 [working proof]](https://api.nga.gov/iiif/87717a23-7d84-4c64-afcc-fab350d37fb1/full/843,/0/default.jpg)
![Flagstones (b) [trial proof 2]](https://api.nga.gov/iiif/b1ff268d-e5cd-4005-9aab-79cd68ad681d/full/843,/0/default.jpg)
![Figure 8 [trial proof]](https://api.nga.gov/iiif/fb80fd10-f303-4898-a20a-93b9da5683ec/full/843,/0/default.jpg)
![Light Bulb [trial proof B]](https://api.nga.gov/iiif/edafcfc5-67d5-457d-bf83-544405c6a23a/full/843,/0/default.jpg)