unknown is an undetermined artist with 25 auction lots recorded since 2007, median price $1,640.
| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Works on Paper | 6 | $4,666 | $7,804 | 66.7% | 2020-12-02 |
| Photography | 2 | $346 | $438 | — | 2023-10-03 |
| Title | Date | House | Price |
|---|---|---|---|
| Western Mining Cyanotypes | 2023-10-03 | Sotheby's | $254 |
| Preview: Colville Road | 2023-08-23 | Chiswick | GBP 350 |
| Preview: Colville Road | 2023-08-23 | Chiswick | GBP 75 |
| Preview: Colville Road | 2023-08-23 | Chiswick | GBP 400 |
| PORTRAIT OF KOFI ANTUBAM | 2023-04-20 | Waddingtons | CAD 360 |
unknown's auction record is $7,804, set on 2018-11-15.