YAMAGUCHI Koji
YAMAGUCHI Koji is an artist with 13 auction lots recorded since 2024, median price $3,662. Some sold prices are not yet verified as premium-inclusive or hammer, and are marked on this page.
A work by YAMAGUCHI Koji is recorded as sold in 2026 for $5,328; whether the price includes the buyer's premium is not yet verified, according to OpeningBid's index of auction results.
See the full YAMAGUCHI Koji record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View YAMAGUCHI Koji on OpeningBid →What is a YAMAGUCHI Koji work worth?
Across 13 sold lots tracked by OpeningBid, the median price of a YAMAGUCHI Koji work is $3,662.
The median YAMAGUCHI Koji painting sells for $4,060 across 12 lots.
The median YAMAGUCHI Koji work on paper sells for $322 across 1 lots.
Some prices are not yet basis-verified (premium-inclusive or hammer).
Price breakdown by category
| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Paintings | 12 | $4,060‡ | $5,568‡ | — | 2026-10-25 |
| Works on Paper | 1 | $322‡ | $322‡ | — | 2025-04-12 |
‡ reported price — whether it includes the buyer's premium is not yet verified.
Price by size
Paintings
| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| medium (50–120 cm) | 8 | $3,191–$4,639‡ | $4,069‡ | $5,568‡ |
‡ reported price — whether it includes the buyer's premium is not yet verified.
Size is the work's longest edge. Cells appear only with at least 5 sold lots.
Notable results
| Medium | Year | Price |
|---|---|---|
| Paintings | 2025 | $5,568‡ |
| Paintings | 2026 | $5,328‡ |
| Works on Paper | 2025 | $322‡ |
‡ reported price — whether it includes the buyer's premium is not yet verified.
The highest recorded result in each medium. See the full sale history on OpeningBid.
Frequently asked questions
What is a YAMAGUCHI Koji worth?
Across 13 sold lots tracked by OpeningBid, the median price of a YAMAGUCHI Koji work is $3,662. The median YAMAGUCHI Koji painting sells for $4,060 across 12 lots. The median YAMAGUCHI Koji work on paper sells for $322 across 1 lots. Some prices are not yet basis-verified (premium-inclusive or hammer).
What is the average price of a YAMAGUCHI Koji painting?
Based on 12 sold lots tracked by OpeningBid, the median auction price of a YAMAGUCHI Koji painting is $4,060. Some prices are not yet basis-verified (premium-inclusive or hammer).
What is YAMAGUCHI Koji's most expensive painting?
The highest price recorded at auction for a YAMAGUCHI Koji painting is $5,568. Whether that record price includes the buyer's premium is not yet verified.
What is YAMAGUCHI Koji's auction record?
YAMAGUCHI Koji's auction record is $5,568, set in 2025. Whether that record price includes the buyer's premium is not yet verified.
See the full YAMAGUCHI Koji record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View YAMAGUCHI Koji on OpeningBid →