Alexander Koester is a German artist with 138 auction lots recorded since 2004, median price $28,061.
| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Paintings | 2 | $38,575 | $52,500 | — | 2020-06-11 |
| Works on Paper | 1 | — | — | 0% | — |
| Title | Date | House | Price |
|---|---|---|---|
| Sleeping ducks | 2026-06-13 | Imkinsky | $36,089 |
| Ducks in the reed | 2026-06-13 | Imkinsky | $30,074 |
| In sonnigem Wasser | 2026-06-13 | Imkinsky | $22,556 |
| Seven ducks in the water | 2026-06-13 | Imkinsky | $10,526 |
| Ducks in the reeds | 2025-11-22 | Lempertz | $4,064 |
Alexander Koester's auction record is $62,060, set on 2025-05-17.