> Source: https://www.openingbid.art/artist/key-hiraga · updated 2026-11-02

# Key Hiraga (1936–2000)

Key Hiraga is a Japanese artist with 145 auction lots recorded since 2012, median price $7,287. Some sold prices are hammer-only and exclude the buyer's premium; they are marked on this page. Some sold prices are not yet verified as premium-inclusive or hammer, and are marked on this page.

A work by Key Hiraga sold in 2024 for $30,874, according to OpeningBid's index of auction results.

## What is a Key Hiraga work worth?

Across 128 sold lots tracked by OpeningBid, the median price of a Key Hiraga work is $7,287.

The median Key Hiraga painting sells for $17,599 across 76 lots.

The median Key Hiraga work on paper sells for $3,510 across 24 lots.

The median Key Hiraga print sells for $1,791 across 10 lots.

Medium (50–120 cm) Key Hiraga paintings typically sell for $13,181–$50,202 (the middle half of 30 sold lots).

Small (under 50 cm) Key Hiraga paintings typically sell for $5,291–$15,235 (the middle half of 21 sold lots).

Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.

## Price breakdown by category

| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Prints & Editions | 10 | $1,791‡ | $2,535‡ | — | 2026-07-01 |
| Paintings | 86 | $17,599†‡ | $136,719 | 88.4% | 2025-05-24 |
| Works on Paper | 24 | $3,510‡ | $13,346 | — | 2025-05-15 |
| Masterpieces (top of market) | 7 | $111,492 | $136,719 | — | 2019-11-23 |

† hammer price — buyer's premium not included.

‡ reported price — whether it includes the buyer's premium is not yet verified.

Key Hiraga's market splits by medium. Prints & Editions (10 lots) median $1,791. Paintings (86 lots) median $17,599, record $136,719. A typical Key Hiraga painting sells for around 9.8× the price of a typical print. At the top of the market (top 5% of sales, 7 lots) the median is $111,492.

## Price by size

### Prints & Editions

| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| small (under 50 cm) | 7 | $1,158–$2,289‡ | $2,009‡ | $2,535‡ |

‡ reported price — whether it includes the buyer's premium is not yet verified.

### Paintings

| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| small (under 50 cm) | 21 | $5,291–$15,235†‡ | $8,381†‡ | $30,874 |
| medium (50–120 cm) | 30 | $13,181–$50,202‡ | $24,249‡ | $88,708 |
| large (over 120 cm) | 17 | $41,935–$95,851‡ | $56,777‡ | $136,719 |

† hammer price — buyer's premium not included.

‡ reported price — whether it includes the buyer's premium is not yet verified.

### Works on Paper

| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| small (under 50 cm) | 19 | $2,324–$7,432‡ | $3,650‡ | $13,346 |

‡ 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 | 2015 | $136,719 |
| Paintings | 2016 | $114,652 |
| Works on Paper | 2016 | $13,346 |
| Works on Paper | 2017 | $9,656 |
| Prints & Editions | 2017 | $2,535‡ |
| Prints & Editions | 2026 | $2,414 |

‡ reported price — whether it includes the buyer's premium is not yet verified.

The highest recorded result in each medium. The full sale history is in the OpeningBid app (free sign-up).

## Frequently asked questions

### What is a Key Hiraga worth?

Across 128 sold lots tracked by OpeningBid, the median price of a Key Hiraga work is $7,287. The median Key Hiraga painting sells for $17,599 across 76 lots. The median Key Hiraga work on paper sells for $3,510 across 24 lots. The median Key Hiraga print sells for $1,791 across 10 lots. Medium (50–120 cm) Key Hiraga paintings typically sell for $13,181–$50,202 (the middle half of 30 sold lots). Small (under 50 cm) Key Hiraga paintings typically sell for $5,291–$15,235 (the middle half of 21 sold lots). Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.

### What is the average price of a Key Hiraga painting?

Based on 76 sold lots tracked by OpeningBid, the median auction price of a Key Hiraga painting is $17,599. Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.

### What is Key Hiraga's most expensive painting?

The highest price recorded at auction for a Key Hiraga painting is $136,719.

### What is the average price of a Key Hiraga work on paper?

Based on 24 sold lots tracked by OpeningBid, the median auction price of a Key Hiraga work on paper is $3,510. Some prices are not yet basis-verified (premium-inclusive or hammer).

### What is Key Hiraga's most expensive work on paper?

The highest price recorded at auction for a Key Hiraga work on paper is $13,346.

### What is the average price of a medium Key Hiraga painting?

Based on 30 sold lots, the median auction price of a medium Key Hiraga painting (medium (50–120 cm)) is $24,249, according to OpeningBid's index of auction results. Some prices are not yet basis-verified (premium-inclusive or hammer).

### What is the average price of a small Key Hiraga painting?

Based on 21 sold lots, the median auction price of a small Key Hiraga painting (small (under 50 cm)) is $8,381, according to OpeningBid's index of auction results. Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.

### What is Key Hiraga's auction record?

Key Hiraga's auction record is $136,719, set in 2015.

---

Data last updated 2026-11-02. OpeningBid tracks 15,390,829 auction lots from 577 auction houses, refreshed nightly.

Cite this page as: OpeningBid, “Key Hiraga auction prices”, https://www.openingbid.art/artist/key-hiraga (updated 2026-11-02).

Historical auction data, not investment advice. Prices are premium-inclusive USD where the buyer's premium is recorded. Figures marked † are hammer prices (buyer's premium not included); ‡ marks a price whose basis is not yet verified. Non-USD results are converted at the sale month's rate.
