Walter Oltmann is a South African artist with 52 auction lots recorded since 2013.
| Title | Date | House | Price |
|---|---|---|---|
| Pod Suit 20 | 2026-04-20 | Straussco | ZAR 11,412 |
| Sleeping Child | 2024-12-02 | Straussco | ZAR 5,277 |
| Skull | 2024-11-12 | Straussco | ZAR 46,900 |
| Larva II | 2024-11-12 | Straussco | ZAR 58,625 |
| Bristle Suit III | 2024-09-16 | Straussco | ZAR 41,038 |