Sign in to download a work market report (PDF) — placement, comparables, and the artist's market, generated from the record.
- Estimate
- £4,000–£6,000 hammer ≈ $6,362–$9,543
- Result
- upcoming — 17 September 2013
- Performance
- Sale
- Bonhams — Modern British and Irish Art, London, Knightsbridge · 17 September 2013
- Record ID
- TB-2026-2159526
- Record
- first seen 25 Jul 2026 · updated 25 Jul 2026 · source ↗
- Cite this record
- TB-2026-2159526 — https://thebasis.art/cite/TB-2026-2159526
Robert Adams, Shell form (including base). Bonhams, 17 Sep 2013, lot 93. estimate £4,000–£6,000, unsold at time of record. TheBasis.Art, TB-2026-2159526.
Sell probability TheBasis model · trained on recorded passes
79% chance this lot finds a buyer · market base rate 72%
Of the 91,573 held-out lots the model scored about 82%, 73% 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 2025-09-17.
Cite this record permanent · resolvable · quotable
Appraisal reports, insurance claims, catalogue entries and footnotes. The identifier never changes, and anyone can resolve it back to this page at https://thebasis.art/cite/TB-2026-2159526.
Robert Adams, Shell form (including base). Bonhams, 17 Sep 2013, lot 93. estimate £4,000–£6,000, unsold at time of record. TheBasis.Art, TB-2026-2159526.
From the same sale Modern British and Irish Art · Sep 2013
| Lot | Artist | Estimate | Result |
|---|---|---|---|
| Capriccio Four | Michael Canney | £1,000–£1,500 | |
| Harbour scene | Ken Howard R.a. | £1,000–£1,500 | |
| Study Bassae no 1 (with red), 1984 | Adrian Heath | £1,000–£1,500 | upcoming |
| Vermillion + Torquoise (Discs) | Wilhelmina Barns-graham | £3,000–£5,000 | |
| 'Boats and Roundhouse, Sennen' | Simeon Stafford | £1,500–£2,000 | |
| On the Beach | Paul Maze | £1,000–£1,500 |
Comparable results nearest sold works, same medium & price band
| Artist | Lot | vs. estimate | Result USD, incl. premium | Sale |
|---|---|---|---|---|
| Robert Adams | Crest 24.5cm (9 5/8in) high (excluding base); 27.5cm (10 13/ | $6,610 | Bonhams, Jul 2023 | |
| Robert Adams | Loveland, CO, early 1990's , 1995 | Freeman's | Hindman, Feb 2022 | ||
| Robert Adams | Lakewood, Colorado | Lempertz, Dec 2025 | ||
| Robert Adams | 'North of Briggsdale, Colo.' | Sotheby's, Oct 2022 | ||
| Robert Adams | 'Weld County, Colorado' (The Pawnee National Grasslands, Col | Sotheby's, Apr 2022 | ||
| Robert Adams | Untitled, 2011 | Christie's, Oct 2021 | ||
| Robert Adams | Rectangular Bronze Form, No. 1 (Opus 14) 15.5cm (6 1/8in) hi | Bonhams, Mar 2025 | ||
| Robert Adams | Concrete and Ice, Missouri River, Clay County, South Dakota | Phillips, Apr 2022 |
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.