1990
Aldo Crommelynck, 1981
Aldo Crommelynck, 1976
Joel Shapiro, 1975
Aldo Crommelynck, 1975
Aldo Crommelynck, 1985
![Periscope [state proof of 6th state]](https://api.nga.gov/iiif/125a0c2f-2e0b-4ab1-8689-8503cfc65859/full/843,/0/default.jpg)
![Words [trial proof 3]](https://api.nga.gov/iiif/8bb5a802-56dd-40db-a5ce-6264fed05b74/full/843,/0/default.jpg)
![Figure 2 [trial proof 3]](https://api.nga.gov/iiif/263b62c3-e2ae-4d72-a0bb-3cf7457f84f7/full/843,/0/default.jpg)
![Face [trial proof 5]](https://api.nga.gov/iiif/49f18c9f-b664-44a3-b3f3-aae0e3431adf/full/843,/0/default.jpg)
![7 [trial proof]](https://api.nga.gov/iiif/15034b97-3866-4ea6-8e17-73e934351710/full/843,/0/default.jpg)
![Feet (b) [trial proof 3]](https://api.nga.gov/iiif/0c234f56-1b65-4f22-b193-52545cf20f29/full/843,/0/default.jpg)
![Flagstones (b) [trial proof 3]](https://api.nga.gov/iiif/f22ac35a-8edc-48ec-a88c-3537b277ad09/full/843,/0/default.jpg)
![Buttocks and Knee [trial proof 1]](https://api.nga.gov/iiif/79d3a6de-c577-4d92-8782-678fb3113d43/full/843,/0/default.jpg)
![Four Panels (ABCD) [trial proof]](https://api.nga.gov/iiif/365aaf7d-c81e-4787-9f51-eea3ff6828b3/full/843,/0/default.jpg)
![Flagstones and Casts [trial proof]](https://api.nga.gov/iiif/cfd0c701-2f5e-47c1-b0f6-4d1e5c64e7b2/full/843,/0/default.jpg)