Walter (1928) Valentini is an artist with 26 auction lots recorded since 2019.
| Title | Date | House | Price |
|---|---|---|---|
| Untitled | 2026-03-05 | Finarte | EUR 220 |
| Senza ombra | 2025-12-04 | Finarte | EUR 2,000 |
| Untitled | 2025-05-12 | Finarte | EUR 50 |
| Untitled | 2025-05-12 | Finarte | EUR 60 |
| Stanza del tempo 472 | 2024-12-03 | Finarte | EUR 1,000 |