Willem Key (1505–1568)
Willem Key is a Flemish artist with 15 auction lots recorded since 2007, median price $29,743. 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 Willem Key sold in 2026 for $271,160, according to OpeningBid's index of auction results.
See the full Willem Key record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View Willem Key on OpeningBid →What is a Willem Key work worth?
Across 14 sold lots tracked by OpeningBid, the median price of a Willem Key work is $29,743.
The median Willem Key painting sells for $25,636 across 11 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 | 11 | $25,636†‡ | $1.2M | — | 2026-02-25 |
| Masterpieces (top of market) | 5 | $204,404‡ | $1.2M | — | 2026-07-01 |
† hammer price — buyer's premium not included. ‡ 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 |
|---|---|---|---|---|
| large (over 120 cm) | 6 | $21,805–$163,843†‡ | $33,898†‡ | $204,404 |
† hammer price — buyer's premium not included. ‡ 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 | $1.2M |
| Paintings | 2017 | $204,404 |
The highest recorded result in each medium. See the full sale history on OpeningBid.
Frequently asked questions
What is a Willem Key worth?
Across 14 sold lots tracked by OpeningBid, the median price of a Willem Key work is $29,743. The median Willem Key painting sells for $25,636 across 11 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 Willem Key painting?
Based on 11 sold lots tracked by OpeningBid, the median auction price of a Willem Key painting is $25,636. 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 Willem Key's most expensive painting?
The highest price recorded at auction for a Willem Key painting is $1,212,905.
What is Willem Key's auction record?
Willem Key's auction record is $1,212,905, set in 2025.
See the full Willem Key record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View Willem Key on OpeningBid →