> Source: https://www.openingbid.art/artist/william-mason-2 · updated 2026-11-01

# William (1906–2002)

William is a British artist with 82 auction lots recorded since 2005, median price $263. 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 William sold in 2025 for $383, according to OpeningBid's index of auction results.

## What is a William work worth?

Across 48 sold lots tracked by OpeningBid, the median price of a William work is $263.

The median William painting sells for $813 across 6 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 |
|---|---|---|---|---|---|
| Paintings | 17 | $813‡ | $2,503 | 35.3% | 2025-10-07 |
| Works on Paper | 2 | — | — | 0% | — |
| Masterpieces (top of market) | 3 | $985 | $2,503 | — | 2025-09-30 |

‡ 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 |
|---|---|---|---|---|
| small (under 50 cm) | 5 | $383–$860‡ | $766‡ | $985 |

‡ 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 | 2022 | $2,503 |
| Paintings | 2019 | $985 |

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 William worth?

Across 48 sold lots tracked by OpeningBid, the median price of a William work is $263. The median William painting sells for $813 across 6 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 William painting?

Based on 6 sold lots tracked by OpeningBid, the median auction price of a William painting is $813. Some prices are not yet basis-verified (premium-inclusive or hammer).

### What is William's most expensive painting?

The highest price recorded at auction for a William painting is $2,503.

### What is William's auction record?

William's auction record is $2,503, set in 2022.

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Data last updated 2026-11-01. OpeningBid tracks 15,222,099 auction lots from 571 auction houses, refreshed nightly.

Cite this page as: OpeningBid, “William auction prices”, https://www.openingbid.art/artist/william-mason-2 (updated 2026-11-01).

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.