> Source: https://www.openingbid.art/artist/thornton-dr-robert-john · updated 2026-11-02

# THORNTON, Dr. Robert John (1768–1837)

THORNTON, Dr. Robert John is an English artist with 27 auction lots recorded since 2022, median price $1,525. Some sold prices are hammer-only and exclude the buyer's premium; they are marked on this page.

A work by THORNTON, Dr. Robert John sold in 2026 for a hammer price of $5,100 (buyer's premium not included), according to OpeningBid's index of auction results.

## What is a THORNTON, Dr. Robert John work worth?

Across 12 sold lots tracked by OpeningBid, the median price of a THORNTON, Dr. Robert John work is $1,525.

The median THORNTON, Dr. Robert John print sells for $1,525 across 12 lots.

Some prices are hammer-only and exclude the buyer's premium.

## Price breakdown by category

| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Prints & Editions | 12 | $1,525† | $9,600† | — | 2026-05-02 |

† hammer price — buyer's premium not included.

## Price by size

### Prints & Editions

| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| medium (50–120 cm) | 12 | $1,112–$2,400† | $1,525† | $9,600† |

† hammer price — buyer's premium not included.

Size is the work's longest edge. Cells appear only with at least 5 sold lots.

## Notable results

| Medium | Year | Price |
|---|---|---|
| Prints & Editions | 2022 | $9,600† |
| Prints & Editions | 2026 | $5,100† |

† hammer price — buyer's premium not included.

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 THORNTON, Dr. Robert John worth?

Across 12 sold lots tracked by OpeningBid, the median price of a THORNTON, Dr. Robert John work is $1,525. The median THORNTON, Dr. Robert John print sells for $1,525 across 12 lots. Some prices are hammer-only and exclude the buyer's premium.

### What is the average price of a THORNTON, Dr. Robert John print?

Based on 12 sold lots tracked by OpeningBid, the median auction price of a THORNTON, Dr. Robert John print is $1,525. Some prices are hammer-only and exclude the buyer's premium.

### What is THORNTON, Dr. Robert John's most expensive print?

The highest price recorded at auction for a THORNTON, Dr. Robert John print is $9,600. That record lot sold for a hammer price of $9,600 (buyer's premium not included).

### What is the average price of a medium THORNTON, Dr. Robert John print?

Based on 12 sold lots, the median auction price of a medium THORNTON, Dr. Robert John print (medium (50–120 cm)) is $1,525, according to OpeningBid's index of auction results. Some prices are hammer-only and exclude the buyer's premium.

### What is THORNTON, Dr. Robert John's auction record?

THORNTON, Dr. Robert John's auction record is $9,600, set in 2022. That record lot sold for a hammer price of $9,600 (buyer's premium not included).

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Data last updated 2026-11-02. OpeningBid tracks 15,390,829 auction lots from 577 auction houses, refreshed nightly.

Cite this page as: OpeningBid, “THORNTON, Dr. Robert John auction prices”, https://www.openingbid.art/artist/thornton-dr-robert-john (updated 2026-11-02).

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.