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- Estimate
- £1,500–£2,500 hammer ≈ $2,022–$3,371
- Result
- upcoming — 29 September 2026
- Performance
- Sale
- Chiswick Auctions — 20th/21st Century Art, The Barley Mow Centre · 29 September 2026
- Record ID
- TB-2026-17798206
- Record
- first seen 11 Sep 2026 · updated 11 Sep 2026 · source ↗
- Cite this record
- TB-2026-17798206 — https://thebasis.art/cite/TB-2026-17798206
Lennart Anderson, Heather Walking. Chiswick Auctions, 29 Sep 2026, lot 188. estimate £1,500–£2,500, unsold at time of record. TheBasis.Art, TB-2026-17798206.
Sell probability TheBasis model · trained on recorded passes
71% chance this lot finds a buyer · market base rate 72%
Of the 92,019 held-out lots the model scored about 72%, 69% sold.
Modeled from the house, the sale type, the artist's record and the estimate's position — not a view on the work. Subscribers see each factor and its sample. See plans. Model data through 2025-09-15.
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Lennart Anderson, Heather Walking. Chiswick Auctions, 29 Sep 2026, lot 188. estimate £1,500–£2,500, unsold at time of record. TheBasis.Art, TB-2026-17798206.
From the same sale 20th/21st Century Art · Sep 2026
| Lot | Artist | Estimate | Result |
|---|---|---|---|
| Mysterium | Charles Seliger | £1,000–£1,500 | upcoming |
| Numerals 19 24 19 27 | Francois Morellet | £1,500–£2,500 | upcoming |
| Mother | Emily Marie Miller | £700–£1,000 | upcoming |
| Keith Haring | Coco Davez | £2,000–£3,000 | upcoming |
| Society Woman | Dennis Osadebe | £1,500–£2,000 | upcoming |
| Untitled | Richard Allen | £400–£600 | upcoming |
Comparable results nearest sold works, same medium & price band
| Artist | Lot | vs. estimate | Result USD, incl. premium | Sale |
|---|---|---|---|---|
| Lennart Anderson | Still Life with Egg Carton | $3,096 | Phillips, Apr 2026 | |
| Lennart Anderson | New Bedford Landscape | Rago, May 2020 | ||
| Keith Haring | Three Plates, from The Bayer Suite | Bonhams, Sep 2024 | ||
| Lennart Anderson | Portrait of Eugene Carroll | Wright, Jul 2022 | ||
| Damien Hirst | Taytu Betul, from The Empresses | Heritage Auctions, Dec 2022 | ||
| Andy Warhol | [no title recorded] | Dorotheum, Apr 2026 | ||
| Lennart Anderson | Portrait of Eugene A. Carroll | Wright, Jul 2022 | ||
| Andy Warhol | Mao (Feldman and Schellmann II.125A) | Strauss & Co, Oct 2025 |
The closest sold results by price, artist, and medium — the appraiser's comp set, generated from the corpus. All figures converted to USD at current reference rates.