| Auction | Date | Lot number | Grade | Weight | Starting Price | Final Price | Comment |
|---|---|---|---|---|---|---|---|
| Cahn-Hess (collez. Haeberlin) | 17/7/1933 | 3 | SPL | 4.49 | - | - | (Bahrfeldt 3.1) |
| NAC .5 | 25/2/1992 | 250 | SPL | 4.48 | 45,000 CHF 19,413 EUR | 69,000 CHF 29,767 EUR | ex Cahn-Hess 17/7/1933 lotto 3 (collez. Haeberlin) |
| NAC 83 (collez. "of a student") | 20/5/2015 | 233 | SPL+ | 4.48 | 125,000 CHF | 267,750 CHF | ex NAC 5 lotto 250 |