> Source: https://www.openingbid.art/artist/robert-john-thornton · updated 2026-11-01

# 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.

## 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. The full sale history is in the OpeningBid app (free sign-up).

## 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.

---

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

Cite this page as: OpeningBid, “Robert John Thornton auction prices”, https://www.openingbid.art/artist/robert-john-thornton (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.