| Title | Optimistic Box No. 4 and 5 |
| View | “one thing I learned since I was born” |
| Artist | Robert Filliou |
| Date | 1968 |
| Institution | Walker Art Center |
| Image | Courtesy Walker Art Center |
| Title | Optimistic Box No. 4 and 5 |
| View | “that I must die since I was born” |
| Artist | Robert Filliou |
| Date | 1968 |
| Institution | Walker Art Center |
| Image | Courtesy Walker Art Center |