Alan Caswell Collier is a Swiss artist with 35 auction lots recorded since 2010.
| Title | Date | House | Price |
|---|---|---|---|
| ▲ Ruskin Spear RA (1911-1990) | 2025-04-15 | Sworders | GBP 4,940 |
| In the Pub | 2024-10-01 | Sworders | GBP 9,750 |
| A pub scene | 2024-10-01 | Sworders | GBP 65 |
| Sherry Bar Portrait | 2024-10-01 | Sworders | GBP 36,400 |
| Wish You Were Here | 2024-10-01 | Sworders | GBP 455 |