William Sidney Cooper (1841–1941)
William Sidney Cooper is a British (modern) artist with 27 auction lots recorded since 1997, median price $1,003. 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 Sidney Cooper sold in 2026 for $1,636, according to OpeningBid's index of auction results.
See the full William Sidney Cooper record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View William Sidney Cooper on OpeningBid →What is a William Sidney Cooper work worth?
Across 22 sold lots tracked by OpeningBid, the median price of a William Sidney Cooper work is $1,003.
The median William Sidney Cooper work on paper sells for $344 across 12 lots.
The median William Sidney Cooper painting sells for $1,475 across 14 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 | 14 | $1,475†‡ | $8,625 | — | 2026-09-16 |
| Works on Paper | 15 | $344‡ | $1,905 | 80% | 2024-08-07 |
† 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 |
|---|---|---|---|---|
| medium (50–120 cm) | 8 | $675–$1,728†‡ | $1,252†‡ | $6,080‡ |
† 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) | 10 | $298–$513‡ | $388‡ | $1,905 |
‡ 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 | 1999 | $8,625 |
| Paintings | 2013 | $6,080‡ |
| Works on Paper | 2015 | $1,905 |
| Works on Paper | 2011 | $1,228 |
‡ 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 William Sidney Cooper worth?
Across 22 sold lots tracked by OpeningBid, the median price of a William Sidney Cooper work is $1,003. The median William Sidney Cooper work on paper sells for $344 across 12 lots. The median William Sidney Cooper painting sells for $1,475 across 14 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 Sidney Cooper work on paper?
Based on 12 sold lots tracked by OpeningBid, the median auction price of a William Sidney Cooper work on paper is $344. Some prices are not yet basis-verified (premium-inclusive or hammer).
What is William Sidney Cooper's most expensive work on paper?
The highest price recorded at auction for a William Sidney Cooper work on paper is $1,905.
What is the average price of a William Sidney Cooper painting?
Based on 14 sold lots tracked by OpeningBid, the median auction price of a William Sidney Cooper painting is $1,475. 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 William Sidney Cooper's most expensive painting?
The highest price recorded at auction for a William Sidney Cooper painting is $8,625.
What is the average price of a small William Sidney Cooper work on paper?
Based on 10 sold lots, the median auction price of a small William Sidney Cooper work on paper (small (under 50 cm)) is $388, according to OpeningBid's index of auction results. Some prices are not yet basis-verified (premium-inclusive or hammer).
What is William Sidney Cooper's auction record?
William Sidney Cooper's auction record is $8,625, set in 1999.
See the full William Sidney Cooper record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View William Sidney Cooper on OpeningBid →