William Thornley Auction Prices and Value Guide

William Thornley auction prices are tracked in Appraisily's artist market index, with source-directory coverage of 491 records. Use this page to review sold-lot activity, market context, and valuation factors before requesting a formal appraisal.

William Thornley auction prices: quick answer

William Thornley auction prices depend on medium, size, date, condition, provenance, edition details, attribution confidence, and recent comparable auction sales.

Artist
William Thornley
Source records
491
Market update
2026-02-16

William Thornley market snapshot

William Thornley shows deep auction liquidity with 279 tracked lots. Median realized sale is around $1,250. Category concentration is still broad or sparse. Last 12 months recorded 11 sales. Latest recorded sale: 2026-02-04.

Realized price distribution

  • Under $1,000 (34.1% · 73 sales)
  • $1,000 to $10,000 (63.6% · 136 sales)
  • $10,000+ (2.3% · 5 sales)
Median sale (last 12 months)
$550
Sales recorded (last 12 months)
11
Median shift vs prior year
0.0%
Latest recorded sale
2026-02-04

Artist context

About William Thornley

Born

1847

Died

1907

Nationality

English

Also known as

William Anslow Thornbery, William A. Thornbery

William Thornley is the name commonly associated with William Anslow Thornbery (1847–1907), an English marine painter of the Victorian period. Public authority and collection records connect these identities, while the biographical record also notes variants such as William A. Thornbery and, less securely, William A. Thornbury. Those variants matter because the artist reportedly signed works in multiple ways, and Hubert Thornley—another painter of coastal scenes—can complicate name-based attribution. Thornley is chiefly encountered through paintings centered on marine and coastal subjects. This focus places the work within the broad tradition of nineteenth-century British maritime art rather than a documented named movement. For collectors, assessment begins with the object: its subject, composition, scale, surface condition, signature, provenance, and relationship to securely attributed examples. Because auction databases can aggregate near-matching names, identity evidence should be evaluated separately from market totals, with comparisons limited to genuinely similar works.

PaintingMarine subjectsCoastal scenes

Common works and media

Collectors are most likely to encounter paintings of marine and coastal subjects. The collected identity sources establish Thornley primarily as a painter rather than documenting a substantial practice in prints, editions, sculpture, ceramics, or posters. Any work in those less-supported categories should therefore be evaluated from its own signature, materials, provenance, and catalogue evidence instead of being accepted solely because it carries a related name.

Market and appraisal context

A work attributed to William Thornley should be assessed first for identity, especially when a signature uses Thornbery, Thornbury, or another variation. Medium, dimensions, subject, date, condition, restoration, provenance, inscriptions, and attribution confidence can all affect the relevance of an auction comparison. Coastal or marine paintings should be compared with works of similar scale, composition, quality, and condition rather than with the artist's entire recorded market. Public results can help establish a comparative range, but the collected market data may contain overlapping artist names and inconsistent treatment of auction fees. Object-level examination and carefully filtered comparable sales are therefore more reliable than an unqualified overall median or record price.

Auction categories and appraisal factors

Common auction categories

  • Marine and coastal paintings
  • Fine art and paintings

Value drivers

  1. Medium, dimensions, date, and period within the artist's career
  2. Condition, restoration history, and surface quality
  3. Signature, inscriptions, and confidence in the attribution
  4. Provenance, exhibition history, and catalogue references
  5. Comparable public auction results for works similar in subject, medium, size, date, and condition
  6. Subject matter, rarity, and current market demand

Appraisal caveats

  • Public auction records are a starting point rather than a complete appraisal; private sales, incomplete feeds, and later attribution changes may be absent (source: https://appraisily.com/artist/william-thornley/).
  • The collected Appraisily market page shows name matches extending beyond William Thornley, so individual lots should be identity-checked before totals or comparables are relied upon (source: https://appraisily.com/artist/william-thornley/).
  • Reported auction results may differ in their treatment of buyer premiums and fees, so comparisons should use consistent price definitions when possible (source: https://appraisily.com/artist/william-thornley/).

Evidence

Sources for artist context

This source-grounded artist context is based on collected public records: medium confidence, adequate source quality.

Source-grounded artist Markdown

Data basis

This page is built from Appraisily's public auction market index. Private transactions, incomplete sale feeds, and attribution changes may not be fully represented.

LLM-readable Markdown summary for William Thornley

LLM summary index · LLM full index

Artist value FAQ

How much is William Thornley worth?

Comparable public auction sales are the best starting point, but final value depends on the specific artwork, condition, size, medium, provenance, and attribution confidence.

Can Appraisily value my William Thornley artwork?

Yes. Appraisily can review photos, dimensions, signatures, condition, provenance, and comparable market data to prepare a current valuation.