Alexander (1864) Koester is a German artist with 149 auction lots recorded since 1991.
| Title | Date | House | Price |
|---|---|---|---|
| The Heath near Viktring | 2026-05-22 | Vanham | EUR 2,600 |
| Twelve Ducks in the Reeds | 2026-05-22 | Vanham | EUR 20,000 |
| Five white ducks in reed water | 2026-05-13 | Nagel | EUR 18,000 |
| Ducks in Glowing Autumn Reed | 2025-11-21 | Vanham | EUR 8,000 |
| Ruhende Enten (Resting ducks) | 2025-11-14 | Karlfaber | EUR 12,000 |