Study for Vertical Progression
Oil · Board
Helmuth Stone Gallery · Sep 13, 2026Unsold / did not meet reserveImage courtesy Helmuth Stone Gallery
Auction result
Bio Physical Collage
Thomas Koether (b. 1940)
$158 hammer plus premium ($125 + $33 premium)
≈ £119≈ €139
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- Medium
- Mixed media · Paintings all mixed media results →As published: “Mixed Media”
- Signed / inscribed
- Signed lower right
- Category
- Mixed media
- Dimensions
- 17.75 x 14.5 in
- Auction house
- Helmuth Stone Gallery
- Sale
- March Fine Art & Op-Art Auction (136341)
- Date
- March 3, 2019
- Location
- Sarasota, Florida, United States
- Lot
- 218
- Estimate
- $250 – $500 (≈ £189 – £378) (≈ €221 – €441)
- Source
- Auction house helmuthstone.com ↗Retrieved Sep 30, 2026
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Works by Thomas Koether with a longest side of about 45.1 cm (17.8 in) (±20 %).
The Red Rock
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Study for Vertical Progression
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Helmuth Stone Gallery · Sep 13, 2026Unsold / did not meet reserve
Non-linear Transfinite Cosmology
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Helmuth Stone Gallery · Sep 13, 2026Unsold / did not meet reserve
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March Fine Art & Op-Art Auction · Helmuth Stone Gallery · Mar 3, 2019
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Untitled
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Helmuth Stone Gallery · Mar 3, 2019$13,230 ≈ £10,010 ≈ €11,670Sign up free to see price
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Helmuth Stone Gallery · Mar 3, 2019$3,780 ≈ £2,860 ≈ €3,334Sign up free to see price
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Helmuth Stone Gallery · Mar 3, 2019$2,646 ≈ £2,002 ≈ €2,334Sign up free to see price
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Untitled
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Helmuth Stone Gallery · Mar 3, 2019$2,268 ≈ £1,716 ≈ €2,001Sign up free to see priceAttributed to the artistSimilar works
Mixed media results by other artists in a similar price range.
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© Arthouse Hejtmánek — view on Arthouse Hejtmánek website ↗Lumpacivagabundus, 1967
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© Gormley's Art Auctions — view on Gormley's Art Auctions website ↗