Koshu is an artist with 21 auction lots recorded since 2014, median price $6,064.
| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Works on Paper | 1 | $8,190 | $8,190 | — | 2023-03-21 |
| Sculpture & Installation | 2 | $4,385 | $6,250 | — | 2023-09-19 |
| Title | Date | House | Price |
|---|---|---|---|
| EDO PERIOD (19TH CENTURY) | 2024-09-17 | Christie's | $4,032 |
| EDO-MEIJI PERIOD (19TH CENTURY) | 2024-09-17 | Christie's | $2,520 |
| TAISHO-SHOWA PERIOD (20TH CENTURY), SIGNED JIHO WITH CURSIVE MONOGRAM (KAO) | 2023-09-19 | Christie's | $10,080 |
| EDO PERIOD (18TH-19TH CENTURY) | 2023-09-19 | Christie's | $2,772 |
| EDO-MEIJI PERIOD (19TH CENTURY) | 2023-09-19 | Christie's | $2,520 |
Koshu's auction record is $27,500, set on 2017-04-25.