Four Panels from Untitled 1972 [D panel, working proof 2]
0 [state proof of 1st state]
0 [trial proof]
1 [proof of 1st state]
1 [proof of 2nd state]
1 [proof of 3rd state]
1 [proof of 4th state]
1 [trial proof]
1 [trial proof]
2 [trial proof]
2 [trial proof]
2 [proof of 1st state]
3 [trial proof, 2 plates]
3 [trial proof]
3 [trial proof]
3 [trial proof]
3 [trial proof]
3 [trial proof]
4 [proof of 1st state]
4 [proof of 1st state]
4 [trial proof]
4 [trial proof]
5 [trial proof, 2 plates]
5 [proof of 1st state]
5 [proof of 2nd state]
5 [trial proof]
5 [trial proof]
6 [proof of 1st state]
6 [proof of 1st state]
6 [trial proof]