LIVE LOTS 17,750,525 HOUSES 866 UNSOLD RECORDED 4,679,484 UPDATED NIGHTLY
TheBasis.Art

1899–1975

Gerald A. Cooper

46results on record
81%sell-through
$7,520median result (USD, incl. premium; 100% observed, 0% estimated from hammer)
$31,684record in our coverage

Drawn from 46 recorded results (43 sold · 3 passed) across 3 auction houses, 1998–2025. What we cover

Median sold price by year typical estimate range median result USD, incl. premium; 100% observed, 0% estimated from hammer method · log scale

$4.4K$8.8K$13K1998: $13K median, 1 sold1999: $9.4K median, 3 sold2000: $7.2K median, 2 sold2001: $12K median, 3 sold2004: $11K median, 4 sold2005: $15K median, 3 sold2006: $11K median, 2 sold2007: $8.9K median, 2 sold2008: $2.0K median, 1 sold2009: $1.5K median, 1 sold2010: $4.9K median, 2 sold2012: $8.8K median, 1 sold2013: $4.9K median, 3 sold2014: $6.7K median, 2 sold2017: $5.4K median, 2 sold2019: $2.0K median, 1 sold2021: $14K median, 1 sold2022: $7.2K median, 2 sold2023: $4.5K median, 3 sold2024: $11K median, 2 sold2025: $5.1K median, 1 sold199820042010201620222025

Where does a value land in this market?

$

The same figure also answers the seller's question: which house clears a work like this, and for how much — expected proceeds by house, from the sell-through the rest of this page is built on.

$7.5K$1.5K$32K

Every sold result for this market, low to high (log scale) — the dashed line is the median. Enter a value to see where it lands.

By medium where medium is recorded or stated in the catalog line

MediumResultsSell-throughMedian result (USD)
painting 25 n/a $7,563
ceramics & design 6 67% $10,172

Medium is recorded for 31 of 46 results (67%) — rows above cover that subset; the rest of the record is in the full ledger below.

Compared with Samuel John Lamorna Birch Ra Rws Rwa Gerald A. Cooper Samuel John Lamorna Birch Ra Rws Rwa

$4.2K$8.4K$13K1998: $2.4K median1999: $3.9K median2000: $1.4K median2001: $2.7K median2002: $2.8K median2003: $2.8K median2004: $11K median2005: $3.3K median2006: $5.6K median2007: $4.5K median2008: $15K median2009: $2.8K median2010: $5.4K median2012: $9.1K median2013: $6.1K median2014: $7.9K median2015: $1.5K median2016: $3.7K median2017: $4.0K median2018: $2.9K median2019: $5.1K median2020: $2.5K median2021: $10K median2022: $4.2K median2023: $4.2K median2024: $1.6K median2025: $5.4K median2026: $7.3K median1998: $13K median1999: $9.4K median2000: $7.2K median2001: $12K median2004: $11K median2005: $15K median2006: $11K median2007: $8.9K median2008: $2.0K median2009: $1.5K median2010: $4.9K median2012: $8.8K median2013: $4.9K median2014: $6.7K median2017: $5.4K median2019: $2.0K median2021: $14K median2022: $7.2K median2023: $4.5K median2024: $11K median2025: $5.1K median19982005201220192026
MetricGerald A. CooperSamuel John Lamorna Birch Ra Rws Rwa
Median result$7,520$4,248
Record price $31,684 $104,827
Results on record46243
Years active at auction 1998–2025 1998–2026

Related artists: Samuel John Lamorna Birch Ra Rws RwaCecil KennedySir William Russell FlintBenjamin Williams Leader, Ra

Where this artist sells best

HouseResultsSell-throughMedianvs. estimate
Christie's 25 $7,563
Bonhams 13 85% $5,095 1.20×
Sotheby's 8 67% $11,891 0.88×

The same artist across every house we cover — hammer-vs-estimate side by side. A dash in the estimate column can mean withheld rather than unpublished: the house publishes no hammer price, or its printed low is a starting bid rather than an appraisal. Method →

Prices realized 46 recorded lots — sold, passed, and upcoming — results in USD incl. premium; est. marks a premium estimated from the house's schedule ✓ Includes 3 passed lots

DateLotMediumvs. estimateEstimate USDResult USD, incl. premiumHouse
46 realized prices on this page are locked. A Research Pass reads 50 of them for $19, once — buy a pass
2025·12 Still life of flowers $2,653–$3,980 Bonhams
2024·11 Tournesols $5,314–$7,440 Bonhams
2024·03 Still life of flowers $2,560–$3,840 Bonhams
2023·11 Still life of summer flowers $3,740–$6,233 Bonhams
2023·11 Still life of flowers $3,740–$6,233 Bonhams
2023·04 June flowers 30 x 24 3/4in (76.3 x 63cm) $3,000–$5,000 Bonhams
2023·03 Still life of white lilies and peonies $1,776–$2,960 Bonhams
2022·11 An abundant still life of daisies and a sunflower $3,569–$5,948 Bonhams
2022·07 Still life with Irises and Roses in a Glass Goblet $4,773–$7,159 Sotheby's
2021·12 Still life with Irises and Roses in a Glass Goblet $6,626–$9,277 Sotheby's
2021·07 Still Life with Irises, Rhododendrons and Peonies $6,935–$9,709 Sotheby's
2019·11 A Christmas bouquet $1,284–$1,925 Bonhams
2017·11 Still life of glass bottles $1,986–$2,648 Bonhams
2017·01 Red and White oil on board $2,422–$4,844 Christie's
2014·11 A symphony in yellow and white oil on canvas $3,154–$4,732 Christie's
2014·03 Lilies, aquilegias, marigolds, dog roses and other summer flowers in a vase oil on board $6,645–$9,968 Christie's
2013·11 Poppies and Lillies $3,232–$4,848 Bonhams
2013·06 Still life with fuschias and geraniums $1,530–$2,295 Bonhams
2013·06 Still life of hollyhocks, irises, petunias and lilies $1,530–$2,295 Bonhams
2013·03 Flags and morning glory in an alcove oil on canvas $4,488–$7,479 Christie's
2012·03 Geraniums oil on panel $3,133–$4,700 Christie's
2010·08 Farmyard oil on canvas $2,344–$3,125 Christie's
2010·08 Haymaking oil on canvas $2,344–$3,125 Christie's
2009·09 White begonia oil on canvas $988–$1,647 Christie's
2009·03 Iris, Sweet Williams and other Flowers in a Silver Bowl on a Stone Ledge $4,380–$7,300 Sotheby's
2008·01 November oil on board $787–$1,181 Christie's
2007·10 Still Life with Daffodils, Tulips and Bluebells $6,122–$10,203 Sotheby's
2007·09 A vase of spring beauty oil on board $8,067–$12,100 Christie's
2006·11 Iris and clematis in a glass vase oil on board $11,456–$15,275 Christie's
2006·09 Still lIfe with Lillies $7,547–$11,321 Sotheby's
2005·11 Mallow and Thistle oil on board $13,761–$20,642 Christie's
2005·11 Lilies and tulips in a glass vase oil on board $10,321–$13,761 Christie's
2005·06 Leaves and Flowers oil on board $2,690–$3,587 Christie's
2004·11 a pair of still lifes with hollyhocks, tulips and roses in terracotta urns $28,289–$37,719 Sotheby's
2004·11 still life with pink and white roses, irises and campions in a glass vase $11,316–$15,088 Sotheby's
2004·06 August oil on board $5,515–$9,191 Christie's
2004·06 January oil on board $5,515–$9,191 Christie's
2001·11 Lilies $8,485–$11,314 Christie's
2001·11 Winter $9,900–$14,142 Christie's
2001·11 Tulips, camellias and narcissi; and Tulips, viburnam and a peony $21,213–$28,284 Christie's
2000·06 Still life with poppies and hollyhocks $7,520–$12,032 Christie's
2000·06 End of Summer $4,486–$7,476 Christie's
1999·11 Belladonna lilies $6,508–$9,762 Christie's
1999·11 June $9,762–$13,016 Christie's
1999·11 White geraniums in a terracotta pot $8,135–$11,389 Christie's
1998·05 A Sunflower, Evening Primrose, Hibiscus, Hops and other Flowers in an earthenware Vase in a stone Portico $9,766–$16,277 Christie's

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