POST-WAR &
CONTEMPORARY

ROBERT RAUSCHENBERG
Crosstown [Anagram (A Pun)], 1997
Plant dye transfer on
polylaminate, 152 × 311 cm
Estimate: CHF 100 000 / 150 000

Auction: 25 June 2026
IMPRESSIONIST &
MODERN ART

GUSTAVE LOISEAU
Lavoir sur la Seine à Herblay, 1906 (detail)
Oil on canvas, 54.3 × 64.8 cm
Estimate: CHF 80 000 / 120 000

Auction: 26 June 2026
POST-WAR &
CONTEMPORARY

NICOLAS DE STAËL
Gentilly, 1952
Oil on board., 12 × 22 cm
Estimate: CHF 300 000 / 400 000

Auction: 25 June 2026
WORKS OF ART & DECORATIVE ARTS

MONUMENTAL COPTIC WALL HANGING
Egypt, c. 5th–7th c. CE
c. 405 × 310 cm
Estimate: CHF 300 000 / 500 000

Sold for CHF 645 000
SWISS ART

GIOVANNI GIACOMETTI
Nebbia, 1912 (detail)
Oil on canvas, 85 × 80.5 cm
Estimate: CHF 200 000 / 300 000

Auction: 26 June 2026
OLD MASTER DRAWINGS

JEAN–HONORÉ FRAGONARD
Tête de vieillard chauve, after 1767 (detail)
Pen and brown ink over black chalk, 35,5 × 27,8 cm

Sold for CHF 150 000
JEWELLERY

PEARL AND DIAMOND BRACELET, CARTIER
ca. 1960/70. Platinum 950 and white gold 750.
Estimate: CHF 30 000 / 50 000

Sold for CHF 135 000
OLD MASTER PAINTINGS

SALOMON VAN RUYSDAEL
River landscape with sailboats (detail)
Oil on panel, 39.9 × 55.8 cm
Estimate: CHF 300 000 / 500 000

Sold for CHF 500 000

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UPCOMING AUCTIONS

CONSIGNATIONS ACCEPTED FOR A LIMITED TIME ONLY

IMPRESSIONIST &
MODERN ART

Auction: 26 June 2026

POST-WAR &
CONTEMPORARY

Auction: 25 June 2026

SWISS
ART

Auction: 26 June 2026

PRINTS &
MULTIPLES

Auction: 25 June 2026

Sell with us

SUCCESSFUL MARCH AUCTIONS

CONSIGN NOW FOR OUR AUTUMN AUCTIONS

PIETER BRUEGHEL THE YOUNGER

Allegory of Autumn, 1622
Estimate: CHF 300 000 / 500 000
Sold for CHF 1.8 million

VENUS BARTHOLONI

Röman, Imperial period, c. 2nd c. CE
Estimate: CHF 500 000 / 800 000
Sold for: CHF 1.17 million

IVAN AIVAZOVSKY

Shipwreck off a rocky coast, 1872
Estimate: CHF 180 000 / 250 000
Sold for CHF 720 000

Sell with us

VALUATION DAYS

Heads of Modern and Contemporary Art departments at Koller

OUR SPECIALISTS IN YOUR AREA

Our specialists are on the road year-round and are available for free, no-obligations valuations.
Have a look at the dates and locations of our upcoming valuation days.

Valuation days 2026

REVIEW 2025

THE YEAR 2025 AT KOLLER

2025 exceeded all expectations at Koller.

While the press predicted a downturn in the auction market, our auctions were vibrant, full of surprises and highly successful. Rediscovered works and extraordinary stories made the year one of the most exciting in recent times.

Review 2025 online

Review 2025 in PDF format