> Source: https://www.openingbid.art/artist/jean-guillaume-mathiaut · updated 2026-11-03

# Jean-Guillaume Mathiaut (b. 1975)

## What is Jean-Guillaume Mathiaut’s work worth? {#value}

As of 3 November 2026, OpeningBid has recorded 5 auction results for Jean-Guillaume Mathiaut at 1 houses since 2024. Over the last 24 months the median price was $8,454 including buyer’s premium (middle half $5,575–$14,931, n=5). The auction record is $17,917 for Bibliothèque II (2026, PIASA). Source: OpeningBid, an independent auction-results database.

**Top auction records: paintings, drawings & sculpture**

| # | Work | Medium | Price | House | Sold |
|---|---|---|---|---|---|
| 1 | Bibliothèque II, 1975 | Jean-Guillaume Mathiaut (né en 1975) | $17,917 | PIASA | Jul 2026 |
| 2 | Bibliothèque I, 1975 | Jean-Guillaume Mathiaut (né en 1975) | $14,931 | PIASA | Jul 2026 |
| 3 | Le throne Elizabeth, chêne massif sculpté, 1999 | En chêne massif sculpté issu de la tempête 1999 dans la forêt de Fontainebleau | $8,454 | PIASA | Dec 2024 |
| 4 | Assise La Chiara, chêne, 1999 | Chêne (oak) | $5,575 | PIASA | Jun 2026 |
| 5 | Jean-Guillaume Mathiaut (né en 1975), 2020 | Chêne massif | $4,463 | PIASA | Jun 2026 |




Data as of 3 November 2026 · Source: OpeningBid, 5 results from 1 houses · [How we compute these figures](https://www.openingbid.art/methodology/price-data)


Jean-Guillaume Mathiaut is an artist with 5 auction lots recorded since 2024, median price $8,454.

A work by Jean-Guillaume Mathiaut sold in 2026 for $17,917, according to OpeningBid's index of auction results.

## What is a Jean-Guillaume Mathiaut work worth?

Across 5 sold lots tracked by OpeningBid, the median price of a Jean-Guillaume Mathiaut work is $8,454.

The median Jean-Guillaume Mathiaut sculpture sells for $8,454 across 1 lots.

## Price breakdown by category

| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Sculpture & Installation | 1 | $8,454 | $8,454 | — | 2024-12-09 |

## Notable results

| Medium | Year | Price |
|---|---|---|
| Sculpture & Installation | 2024 | $8,454 |

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 Jean-Guillaume Mathiaut worth?

Across 5 sold lots tracked by OpeningBid, the median price of a Jean-Guillaume Mathiaut work is $8,454. The median Jean-Guillaume Mathiaut sculpture sells for $8,454 across 1 lots.

### What is Jean-Guillaume Mathiaut's auction record?

Jean-Guillaume Mathiaut's auction record is $17,917, set in 2026.

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Data last updated 2026-11-03. OpeningBid tracks 15,596,131 auction lots from 579 auction houses, refreshed nightly.

Cite this page as: OpeningBid, “Jean-Guillaume Mathiaut auction prices”, https://www.openingbid.art/artist/jean-guillaume-mathiaut (updated 2026-11-03).

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.