William Marr Auction Prices and Value Guide

William Marr auction prices are tracked in Appraisily's artist market index, with source-directory coverage of 320 records. Use this page to review sold-lot activity, market context, and valuation factors before requesting a formal appraisal.

William Marr auction prices: quick answer

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

Artist
William Marr
Source records
320
Market update
2026-02-06

William Marr market snapshot

William Marr shows deep auction liquidity with 217 tracked lots. Median realized sale is around $400. Category concentration is still broad or sparse. Last 12 months recorded 18 sales. Latest recorded sale: 2025-11-08.

Realized price distribution

  • Under $1,000 (80.8% · 126 sales)
  • $1,000 to $10,000 (16.7% · 26 sales)
  • $10,000+ (2.6% · 4 sales)
Median sale (last 12 months)
$390
Sales recorded (last 12 months)
18
Median shift vs prior year
+8.3%
Latest recorded sale
2025-11-08

Artist context

About William Marr

Born

1936

Nationality

American

Also known as

William W. Marr, Feima, 非馬, Ma Weiyi

William Marr is the English name associated by public authority records with Feima, a figure born in 1936 and described as an American writer and engineering researcher. Biographical sources also identify him as a poet, translator, and artist, reflecting a career that crosses literary, technical, and visual fields. Library authorities consistently connect Marr with the name Feima, while Chinese-language biographical material also records the names 非馬 and Ma Weiyi. The collected sources do not, however, document a recognized visual-art movement, characteristic medium, subject range, exhibition history, or established body of auctioned work. This matters because William Marr is not a uniquely identifying name. Collectors may encounter it in auction databases across several object categories, but a name match alone cannot demonstrate that a particular painting, print, sculpture, or decorative object was made by the writer and artist represented by these authority records. Signatures and documented provenance therefore require work-level review.

Common works and media

The present auction index groups the William Marr name with paintings, works on paper and prints, sculpture, mixed media, decorative art, and editions. The collected biographical and authority sources do not confirm that these are characteristic media of William Marr or Feima. Each object should therefore be classified from its physical medium, inscriptions, edition information, provenance, and supporting documentation rather than from the artist-name match alone.

Market and appraisal context

Appraisily currently associates the William Marr name with records spanning fine art, works on paper, sculpture, mixed media, decorative art, and editions. Those categories should be treated as provisional because the source pack does not securely connect every matched lot to the authority-record identity of William Marr or Feima. For an appraisal, compare only works that align in medium, dimensions, date, subject, condition, signature or inscription, edition status, provenance, and attribution. Exhibition history and catalogue references can strengthen identification when independently documented. Realized prices may also differ in their treatment of buyer premiums and fees, so apparently similar results are not always directly comparable.

Auction categories and appraisal factors

Common auction categories

  • Fine art and paintings
  • Works on paper and prints
  • Sculpture and mixed media
  • Decorative art and editions

Value drivers

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

Appraisal caveats

  • The collected authority sources establish a writer, poet, translator, engineering researcher, and artist identity but do not establish that every auction record under William Marr belongs to that person.
  • The auction dataset reports matching against the names William Marr and Bill, creating a material risk that records for different makers or creators have been combined.
  • Public auction records are appraisal inputs rather than authentication evidence, and private sales, incomplete feeds, fees, or later attribution changes may not be represented.

Evidence

Sources for artist context

This source-grounded artist context is based on collected public records: low 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 Marr

LLM summary index · LLM full index

Artist value FAQ

How much is William Marr 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 Marr artwork?

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