Robert John Thornton (1768–1837)
Robert John Thornton is a British (modern) artist with 49 auction lots recorded since 1992, median price $861. 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 Robert John Thornton sold in 2025 for $54,091, according to OpeningBid's index of auction results.
See the full Robert John Thornton record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View Robert John Thornton on OpeningBid →What is a Robert John Thornton work worth?
Across 39 sold lots tracked by OpeningBid, the median price of a Robert John Thornton work is $861.
The median Robert John Thornton print sells for $780 across 41 lots.
Small (under 50 cm) Robert John Thornton prints typically sell for $406–$1,244 (the middle half of 23 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 | 47 | $780†‡ | $54,091 | 87.2% | 2025-12-10 |
| Photography | 1 | — | — | 0% | — |
| Masterpieces (top of market) | 3 | $23,778 | $54,091 | — | 2025-12-10 |
† hammer price — buyer's premium not included. ‡ reported price — whether it includes the buyer's premium is not yet verified.
Price by size
Prints & Editions
| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| small (under 50 cm) | 23 | $406–$1,244†‡ | $750†‡ | $23,778 |
| medium (50–120 cm) | 17 | $510–$3,000† | $1,195† | $54,091 |
† 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 |
|---|---|---|
| Prints & Editions | 2025 | $54,091 |
| Prints & Editions | 2023 | $23,778 |
The highest recorded result in each medium. See the full sale history on OpeningBid.
Frequently asked questions
What is a Robert John Thornton worth?
Across 39 sold lots tracked by OpeningBid, the median price of a Robert John Thornton work is $861. The median Robert John Thornton print sells for $780 across 41 lots. Small (under 50 cm) Robert John Thornton prints typically sell for $406–$1,244 (the middle half of 23 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 Robert John Thornton print?
Based on 41 sold lots tracked by OpeningBid, the median auction price of a Robert John Thornton print is $780. 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 Robert John Thornton's most expensive print?
The highest price recorded at auction for a Robert John Thornton print is $54,091.
What is the average price of a small Robert John Thornton print?
Based on 23 sold lots, the median auction price of a small Robert John Thornton print (small (under 50 cm)) is $750, 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 the average price of a medium Robert John Thornton print?
Based on 17 sold lots, the median auction price of a medium Robert John Thornton print (medium (50–120 cm)) is $1,195, according to OpeningBid's index of auction results. Some prices are hammer-only and exclude the buyer's premium.
What is Robert John Thornton's auction record?
Robert John Thornton's auction record is $54,091, set in 2025.
See the full Robert John Thornton record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View Robert John Thornton on OpeningBid →