| Auction | Date | Lot number | Grade | Weight | Starting Price | Final Price | Comment |
|---|---|---|---|---|---|---|---|
| NAC .4 | 27/2/1991 | 220 | SPL+ | 3.99 | 1,500 CHF 679 EUR | 2,530 CHF 1,146 EUR | |
| NAC .8 | 3/4/1995 | 545 | BB+ | 3.97 | 700 CHF 544 EUR | 2,070 CHF 1,608 EUR | |
| NAC 63 (collez. RBW) | 17/5/2012 | 197 | SPL+ | 3.83 | 800 CHF 666 EUR | 1,770 CHF 1,473 EUR | acquistato da Bank Leu (ottobre 1981) |