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- Estimate
- £1,500–£2,000 hammer ≈ $2,030–$2,706
- Result
- upcoming — 7 September 2026
- Performance
- Sale
- Bonhams — British and European Art, Online, London, Knightsbridge · 7 September 2026
- Record ID
- TB-2026-17802050
- Record
- first seen 11 Sep 2026 · updated 11 Sep 2026 · source ↗
- Cite this record
- TB-2026-17802050 — https://thebasis.art/cite/TB-2026-17802050
Sir William Russell Flint, The converted fortress. Bonhams, 7 Sep 2026, lot 51. estimate £1,500–£2,000, unsold at time of record. TheBasis.Art, TB-2026-17802050.
Sell probability TheBasis model · trained on recorded passes
68% chance this lot finds a buyer · market base rate 72%
Of the 92,006 held-out lots the model scored about 69%, 65% 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.
Cite this record permanent · resolvable · quotable
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Sir William Russell Flint, The converted fortress. Bonhams, 7 Sep 2026, lot 51. estimate £1,500–£2,000, unsold at time of record. TheBasis.Art, TB-2026-17802050.
From the same sale British and European Art · Sep 2026
| Lot | Artist | Estimate | Result |
|---|---|---|---|
| Sunday afternoon by the duck pond | Stanhope Alexander Forbes, Ra | £10,000–£15,000 | upcoming |
| Wigeon | Archibald Thorburn | £1,500–£2,000 | upcoming |
| Swallow | Archibald Thorburn | £1,000–£1,500 | upcoming |
| Bullfinch | Archibald Thorburn | £1,000–£1,500 | upcoming |
| Grouse in grass | Archibald Thorburn | £2,000–£3,000 | upcoming |
| Grouse preening | Archibald Thorburn | £2,000–£3,000 | upcoming |
Comparable results nearest sold works, same medium & price band
| Artist | Lot | vs. estimate | Result USD, incl. premium | Sale |
|---|---|---|---|---|
| Sir William Russell Flint | A snow blizzard Ardlui near Loch Lomond 13 x 19in (33 x 48.3 | $2,304 | Bonhams, Jul 2023 | |
| Sir William Russell Flint | Church of the Misericordia, Venice | Sotheby's, Dec 2021 | ||
| Sir William Russell Flint | Standing nude | Bonhams, May 2020 | ||
| Sir William Russell Flint | Vale of Clywd | Bonhams, Mar 2013 | ||
| Sir William Russell Flint | 'A spring mosaic' | Bonhams, Mar 2022 | ||
| Sir William Russell Flint | Study of Casilda - no. 1 | Sotheby's, Dec 2017 | ||
| Sir William Russell Flint | A Sunlit Valley in Greece, C.1915 | Lyon & Turnbull, Oct 2025 | ||
| Sir William Russell Flint | 'Blossom time at Vaunaveys, near Crest, Drôme, France' | Bonhams, Nov 2021 |
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.