Timothy O'Sullivan Auction Prices and Value Guide
Timothy O'Sullivan auction prices are tracked in Appraisily's artist market index, with source-directory coverage of 77 records. Use this page to review sold-lot activity, market context, and valuation factors before requesting a formal appraisal.
Timothy O'Sullivan auction prices: quick answer
Timothy O'Sullivan auction prices depend on medium, size, date, condition, provenance, edition details, attribution confidence, and recent comparable auction sales.
- Artist
- Timothy O'Sullivan
- Source records
- 77
- Market update
- 2026-02-16
Timothy O'Sullivan appraisal factors
Timothy O'Sullivan auction prices should be read against comparable works with similar medium, size, date, condition, provenance, and attribution confidence.
Common auction categories
- Fine art and paintings
- Works on paper and prints
- Sculpture and mixed media
- Decorative art and editions
Value drivers
- Medium, size, date, and period within the artist career
- Condition, restoration history, and surface quality
- Signature, inscriptions, edition details, and attribution confidence
- Provenance, exhibition history, and catalogue references
- Recent comparable auction sales for similar works
- Subject matter, rarity, and demand in the current market
Appraisal caveats
- Public auction records are a starting point, not a final appraisal.
- Private sales, incomplete feeds, and attribution changes may not be fully represented.
- Authentication and condition can materially change value.
Recent sale records
Selected public auction records currently in the Appraisily lot index. Use them as market context, then request a formal appraisal before you sell, insure, or donate.
timothy o sullivan american 1840 1882 aboriginal life among the navajo indians near old fort defiance n m 1873 no 7 · Freeman’s · 2026-04-10 timothy o sullivan american 1840 1882 aboriginal life among the navajo indians near old fort defiance n m 1873 no 7 Freeman’s · 2026-04-10
timothy o sullivan american 1840 1882 ancient ruins in the ca on de chelle n m in a niche 50 feet above present ca on bed 1873 no 10 · Freeman’s · 2026-04-10 timothy o sullivan american 1840 1882 ancient ruins in the ca on de chelle n m in a niche 50 feet above present ca on bed 1873 no 10 Freeman’s · 2026-04-10
timothy o sullivan american 1840 1882 the church of san miguel the oldest in santa fe n m 1873 no 11 · Freeman’s · 2026-04-10 timothy o sullivan american 1840 1882 the church of san miguel the oldest in santa fe n m 1873 no 11 Freeman’s · 2026-04-10
timothy o sullivan 1840 1882 ca on of the colorado river near mouth of san juan river arizona 1873 · Swann Auction Galleries · 2025-05-08 timothy o sullivan 1840 1882 ca on of the colorado river near mouth of san juan river arizona 1873 Swann Auction Galleries · 2025-05-08
timothy o sullivan 1840 1882 cereus giganteus arizona · Swann Auction Galleries · 2023-04-27 timothy o sullivan 1840 1882 cereus giganteus arizona Swann Auction Galleries · 2023-04-27
timothy o sullivan american 1840 1882 print first pennsylvania light artillery ready for action before petersburg july 21 · Nadeau's Auction Gallery · 2023-02-25 timothy o sullivan american 1840 1882 print first pennsylvania light artillery ready for action before petersburg july 21 Nadeau's Auction Gallery · 2023-02-25
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.
Artist value FAQ
How much is Timothy O'Sullivan 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 Timothy O'Sullivan artwork?
Yes. Appraisily can review photos, dimensions, signatures, condition, provenance, and comparable market data to prepare a current valuation.