| Auction | Date | Lot number | Grade | Weight | Starting Price | Final Price | Comment |
|---|---|---|---|---|---|---|---|
| NAC 73 (collez. "of a student") | 18/11/2013 | 67 | BB | 3.20 | 5,000 CHF 4,060 EUR | 6,490 CHF 5,269 EUR | ex Sotheby's 20/7/1983 lotto 108 |
| Sotheby's | 20/7/1983 | 108 | qBB | 3.21 | 400 GBP 484 EUR | - | ex Sotheby's 4/11/1982 lotto 248 |
| Sotheby's (collez. Duke of Northumberland) | 4/11/1982 | 248 | qBB | 3.21 | 800 GBP 990 EUR | - | invenduto |