American
Figure 5 [trial proof 3]
Untitled (Geometric Mouse)
Untitled (Ice Cream Cones)
Untitled (Kassel)
, 1968
, 1969
![Figure 5 [trial proof 3]](https://api.nga.gov/iiif/7878ba1c-af15-48db-b4b9-0065d234bb96/full/843,/0/default.jpg)
![Figure 9 [working proof]](https://api.nga.gov/iiif/90a65667-f341-420a-be95-0fa664116476/full/843,/0/default.jpg)
![Figure 5 [trial proof 1]](https://api.nga.gov/iiif/11a9dbc3-57c4-4067-a0dc-a96f5f5f4375/full/843,/0/default.jpg)
![Figure 6 [color trial proof]](https://api.nga.gov/iiif/57ec32d2-ee51-4dd0-b369-ee69e962bee7/full/843,/0/default.jpg)
![Figure 8 [trial proof]](https://api.nga.gov/iiif/fb80fd10-f303-4898-a20a-93b9da5683ec/full/843,/0/default.jpg)
![Figure 5 [trial proof]](https://api.nga.gov/iiif/12f83110-1324-4224-bd90-fe46408d0e3b/full/843,/0/default.jpg)
![Figure 4 [trial proof]](https://api.nga.gov/iiif/50648fee-98a6-4133-87fa-fbb3cb6e915a/full/843,/0/default.jpg)
![Figure 0 [trial proof]](https://api.nga.gov/iiif/661c84f0-6e24-46fe-8374-935a306e9f56/full/843,/0/default.jpg)
![Figure 7 [trial proof]](https://api.nga.gov/iiif/c4c2b990-d784-4391-b170-bce485df9b0a/full/843,/0/default.jpg)
![Figure 0 [trial proof]](https://api.nga.gov/iiif/616a843c-a4ec-4adc-971e-58eea57bdc38/full/843,/0/default.jpg)
![Figure 0 [experimental proof]](https://api.nga.gov/iiif/d3f97aa7-57b5-4ec1-b233-743f270a070b/full/843,/0/default.jpg)
![Figure 6 [trial proof]](https://api.nga.gov/iiif/1292cd6e-16a7-4824-9702-6ad37bd7f254/full/843,/0/default.jpg)
![Figure 4 [trial proof]](https://api.nga.gov/iiif/4f68c2e2-8598-4f03-b473-0d4a127c6a0e/full/843,/0/default.jpg)
![Figure 0 [experimental proof]](https://api.nga.gov/iiif/c0d5b13b-54c8-4d1a-ba73-cb0a1895630c/full/843,/0/default.jpg)