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Wednesday, August 12, 2026 · No. 223

Auction

All Auction news curated by The Cultural Signal — real-time press release coverage across the global art world.

9 stories across Auction, Paris, Modern, and Collector Cars. Latest: Bonhams Laguna Seca Auction to Offer Rare Bugatti Chiron Super Sport, Estimate $4.3M-$4.8M.

Bonhams Exceptional Jewels Sale in London Features Boucheron Tiara Estimated at £200,000–300,000

Bonhams Exceptional Jewels Sale in London Features Boucheron Tiara Estimated at £200,000–300,000

Bonhams presents its Exceptional Jewels sale in London on 11 June 2026, featuring six single-owner collections. Leading the auction is a Boucheron diamond bandeau tiara from 1924, estimated at £200,000–300,000. The tiara, unseen since its commission, features a 3.60-carat diamond.

OtherJewelleryAuctionLondon
Artcurial to Auction Thierry Dehaeck's €15-25M Collector Car Collection in Paris

Artcurial to Auction Thierry Dehaeck's €15-25M Collector Car Collection in Paris

Artcurial will auction the entire private collection of Belgian collector Thierry Dehaeck, estimated at €15–25 million. The sale comprises 60 collector cars, over 100 automobilia items, and a 1953 carousel, assembled over four decades with a focus on rarity, authenticity, and documentation.

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Bonhams Travel and Exploration Sale Led by Rare Gandhi Oil Portrait, Estimate £50,000-70,000

Bonhams Travel and Exploration Sale Led by Rare Gandhi Oil Portrait, Estimate £50,000-70,000

A portrait of Mahatma Gandhi by Clare Leighton, thought to be the only oil portrait for which he sat, leads Bonhams Travel and Exploration sale, running 7-15 July online. The work, never before offered at auction, carries an estimate of £50,000-70,000.

OtherModernPortraitAuction
Artcurial to Host First All-Ceramics Auction on October 23, 2026

Artcurial to Host First All-Ceramics Auction on October 23, 2026

Artcurial will hold its first auction dedicated entirely to ceramics on October 23, 2026, in Paris.

OtherContemporaryCeramicsAuction
Bonhams to Auction Richard Simmons' Personal Collection in July Online Sale

Bonhams to Auction Richard Simmons' Personal Collection in July Online Sale

Bonhams will auction Richard Simmons' personal collection, "Sweat and Soul," in an online sale from July 12-24. The auction features over 100 of his iconic bedazzled tank tops, each estimated at $200-300, along with branded memorabilia, gym equipment, and a portrait by Frank Cummings.

OtherAuctionLos AngelesMemorabilia

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Artcurial Schedules June Furniture Auction and July European Collection Sale

Artcurial Schedules June Furniture Auction and July European Collection Sale

Artcurial will present its Furniture & Works of Art auction on June 16 and 17 featuring 18th-century European decorative arts.

OtherAuctionDecorative Arts18th Century
Artcurial to Auction Jean-Jacques Rotthier African and Oceanic Art Collection During Parcours des Mondes

Artcurial to Auction Jean-Jacques Rotthier African and Oceanic Art Collection During Parcours des Mondes

Artcurial, in partnership with Lempertz, will present the African and Oceanic art collection assembled by Belgian collector Jean-Jacques Rotthier from the 1970s in Paris on 8 September during Parcours des Mondes.

Auction ResultAfrican ArtOceanic ArtParis
Artcurial to Auction Rediscovered Antoine-Jean Gros Drawing of Napoleon Bonaparte from 1796

Artcurial to Auction Rediscovered Antoine-Jean Gros Drawing of Napoleon Bonaparte from 1796

Artcurial will offer a preparatory drawing by Antoine-Jean Gros of General Bonaparte capturing the Bridge of Arcole on November 15, 1796, in its Old Master & 19th Century Drawings auction.

OtherOld MastersModernParis