1833–1836
Patrons' Permanent Fund, 1976
Patrons' Permanent Fund, 1970
Patrons' Permanent Fund, 1975
Patrons' Permanent Fund, 1972
Patrons' Permanent Fund, 1633
Stiftung Ratjen, 1750
Patrons' Permanent Fund, 1959
Patrons' Permanent Fund, 1921
Stiftung Ratjen, 1782
Patrons' Permanent Fund, 1980
Patrons' Permanent Fund, 1962
![Flagstones and Flagstones [trial proof 3]](https://api.nga.gov/iiif/7d876ef1-efc3-4f5d-9c8b-6549ca7fb061/full/843,/0/default.jpg)
![Light Bulb [trial proof D]](https://api.nga.gov/iiif/35ad584d-a077-40cc-8edb-a5a1d4b70f23/full/843,/0/default.jpg)
![Cups 4 Picasso [trial proof]](https://api.nga.gov/iiif/ec402fff-5467-4725-b017-83b076a777d1/full/843,/0/default.jpg)
![Zone [working proof]](https://api.nga.gov/iiif/9c42b76d-c997-468c-aed0-01333e425774/full/843,/0/default.jpg)
