Study for Vertical Progression
Oil · Board
Helmuth Stone Gallery · Sep 13, 2026Unsold / did not meet reserveImage courtesy Helmuth Stone Gallery
Offered at auction
Starting the Path
Thomas Koether (b. 1940)
Offered at auction, result not published
Estimate $350 – $700 (≈ £266 – £532) (≈ €308 – €617)
Helmuth Stone Gallery does not publish whether this lot sold or its price, so it is not counted in ArtSell’s price statistics.
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- Medium
- Oil · Works on paper all oil results →As published: “Oil on Paper”
- Support
- Paper
- Signed / inscribed
- Signed lower left
- Category
- Oil paintings
- Dimensions
- 21.75 x 16.75 in
- Auction house
- Helmuth Stone Gallery
- Sale
- Fine Art & Antique Auction (368426)
- Date
- April 13, 2025
- Location
- Sarasota, Florida, United States
- Lot
- 155
- Estimate
- $350 – $700 (≈ £266 – £532) (≈ €308 – €617)
- Source
- Auction house helmuthstone.com ↗Retrieved Sep 30, 2026
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