Study for Vertical Progression
Oil · Board
Helmuth Stone Gallery · Sep 13, 2026Unsold / did not meet reserveImage courtesy Helmuth Stone Gallery
Auction result
Air Riders
Thomas Koether (b. 1940)
Unsold / did not meet reserve
Estimate $500 – $1,000 (≈ £389 – £777) (≈ €439 – €877)
Offered at Helmuth Stone Gallery and passed / bought in. Counted in the artist’s sell-through rate; no price, so not in price averages.
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- Medium
- Oil · Paintings all oil results →As published: “Oil on Board”
- Support
- Board
- Category
- Oil paintings
- Dimensions
- 16.25 x 19.5 in
- Auction house
- Helmuth Stone Gallery
- Sale
- January Feature Fine Art & Asian Antiques (133447)
- Date
- January 20, 2019
- Location
- Sarasota, Florida, United States
- Lot
- 201
- Estimate
- $500 – $1,000 (≈ £389 – £777) (≈ €439 – €877)
- Source
- Auction house helmuthstone.com ↗Retrieved Sep 30, 2026
View this lot on Helmuth Stone Gallery ↗
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Works by Thomas Koether with a longest side of about 49.5 cm (19.5 in) (±20 %).
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