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- Estimate
- R25,000–R35,000 hammer ≈ $1,539–$2,155
- Result
- upcoming — 19 August 2026
- Performance
- Sale
- Strauss & Co — Patchwork, Online · 19 August 2026
- Dimensions
- 55,5 by 38cm excluding frame; 106 by 89,5 by 4,5cm including frame
- Record ID
- TB-2026-10949690
- Record
- first seen 3 Aug 2026 · updated 5 Aug 2026 · source ↗
- Cite this record
- TB-2026-10949690 — https://thebasis.art/cite/TB-2026-10949690
Douglas Portway, Flowers in a Blue Vase. Strauss & Co, 19 Aug 2026, lot 98. estimate R25,000–R35,000, unsold at time of record. TheBasis.Art, TB-2026-10949690.
Sell probability TheBasis model · trained on recorded passes
52% chance this lot finds a buyer · market base rate 72%
Of the 91,573 held-out lots the model scored about 49%, 43% 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.
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Douglas Portway, Flowers in a Blue Vase. Strauss & Co, 19 Aug 2026, lot 98. estimate R25,000–R35,000, unsold at time of record. TheBasis.Art, TB-2026-10949690.
From the same sale Patchwork · Aug 2026
| Lot | Artist | Estimate | Result |
|---|---|---|---|
| Threatened Lives (Cape Vulture) | Diane Victor | R80,000–R120,000 | upcoming |
| Threatened Lives (Cape Hunting Dog) | Diane Victor | R80,000–R120,000 | upcoming |
| Skull Series (I) | Joni Brenner | R12,000–R16,000 | upcoming |
| Skull Series (II) | Joni Brenner | R12,000–R16,000 | upcoming |
| The Sphinx etc | Robert Hodgins | R20,000–R30,000 | upcoming |
| A Collection of Prints, portfolio, ten | Paul Stopforth | R8,000–R12,000 | upcoming |
Comparable results nearest sold works, same medium & price band
| Artist | Lot | vs. estimate | Result USD, incl. premium | Sale |
|---|---|---|---|---|
| Douglas Portway | Abstract, 1964 | $1,488 | Lyon & Turnbull, Oct 2025 | |
| Douglas Portway | Le Sage | Strauss & Co, Mar 2009 | ||
| Douglas Portway | Still Life | Strauss & Co, Oct 2014 | ||
| Douglas Portway | Figurative Abstract | Strauss & Co, Nov 2015 | ||
| Douglas Portway | Primeval Meeting | Strauss & Co, Oct 2018 | ||
| Douglas Portway | Blue Abstract | Strauss & Co, May 2010 | ||
| Douglas Portway | Abstract with Green, Blue and Red | Strauss & Co, Jun 2018 | ||
| Cecil Skotnes | Abstract in Red | Strauss & Co, Jul 2019 |
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.