Lot 21 · Modern and Contemporary Art | to include the James Birch Collection
Untitled (Skull)
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- Estimate
- £1,000–£1,500 hammer ≈ $1,338–$2,006
- Result
- upcoming — 7 October 2026
- Performance
- Sale
- Sworders — Modern and Contemporary Art | to include the James Birch Collection · 7 October 2026
- Record ID
- TB-2026-17795245
- Record
- first seen 11 Sep 2026 · updated 11 Sep 2026 · source ↗
- Cite this record
- TB-2026-17795245 — https://thebasis.art/cite/TB-2026-17795245
Conroy Maddox, Untitled (Skull). Sworders, 7 Oct 2026, lot 21. estimate £1,000–£1,500, unsold at time of record. TheBasis.Art, TB-2026-17795245.
Sell probability TheBasis model · trained on recorded passes
71% chance this lot finds a buyer · market base rate 72%
Of the 92,006 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.
Cite this record permanent · resolvable · quotable
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Conroy Maddox, Untitled (Skull). Sworders, 7 Oct 2026, lot 21. estimate £1,000–£1,500, unsold at time of record. TheBasis.Art, TB-2026-17795245.
From the same sale Modern and Contemporary Art | to include the James Birch Collection · Oct 2026
| Lot | Artist | Estimate | Result |
|---|---|---|---|
| 'Juste Parce Que Je Suis Belle' (Pin-Up No. 9), 2010 | Reuben Mednikoff | £5,000–£8,000 | upcoming |
| Untitled (October 5, 1938 no. 4) | Reuben Mednikoff | £1,500–£2,500 | upcoming |
| Untitled (April 24 1944) | Reuben Mednikoff | £1,200–£1,800 | upcoming |
| A night-time view of a house | Reuben Mednikoff | £400–£600 | upcoming |
| Untitled (September 17 1935) | Reuben Mednikoff | £3,000–£5,000 | upcoming |
| Untitled (Sept 21 1941) | Reuben Mednikoff | £25,000–£35,000 | upcoming |
Comparable results nearest sold works, same medium & price band
| Artist | Lot | vs. estimate | Result USD, incl. premium | Sale |
|---|---|---|---|---|
| Conroy Maddox | Surrealist figure | $1,720 | Bonhams, Mar 2023 | |
| Conroy Maddox | Enchanted Zone, 1941 | Lyon & Turnbull, Oct 2023 | ||
| Conroy Maddox | Reverie | Bonhams, Jul 2023 | ||
| Conroy Maddox | Standing Figure with Mask together with a gouache, watercolo | Bonhams, Mar 2026 | ||
| Conroy Maddox | The Invasion of Fine Days | Bonhams, Mar 2022 | ||
| Conroy Maddox | The Alchemist's Citadel | Christie's, Mar 2018 | ||
| Conroy Maddox | Constellation (unframed) | Bonhams, Apr 2022 | ||
| Conroy Maddox | The Fabrication of Fear 39.1 x 32 cm. (15 3/8 x 12 5/8 in.) | Bonhams, Apr 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.