International

This 18ct two-colour gold and enamel Hebe brooch to a design by Georges Braque, c.1962, carries an estimate of $2500-3500 at Leslie Hindman’s Important Jewelry sale in Chicago on December 3.

Anteo Subastas in San Sebastian, Spain, is offering an example of a Mexican colonial silver devotional altarpiece in its next auction on November 28.

Art dealers and auction house specialists have been removed from all TEFAF vetting panels to avoid any potential conflict of interest.

In the end, it was diamonds, not cake, that triggered the tragic downfall of Marie-Antoinette (1755-93) and her family. Even though the doomed queen was innocent of conspiracy, it was the affair of a diamond necklace that lit the powder-keg of revolution.

Fontaine’s in Pittsfield, Massachusetts, is holding one of its periodic horological auctions on November 17.

One of just 100 first edition copies of National Golf Links of America by Charles Blair MacDonald was the top lot in a recent US golf sale at $15,000 (£11,450).

Art Richelieu Castor-Hara is offering a single-owner French collection featuring Old Masters and modern paintings, and classic furniture in a sale at Drouot.

A mass boycott by more than 580 book dealers across 27 countries has forced AbeBooks to U-turn on its planned withdrawal from four countries.

This diamond and sapphire tiara, which is to be offered for sale by Bruun Rasmussen on November 30 in Copenhagen, has a long and distinguished Danish royal provenance.

The Scottish gun-making workshop of Doune in Perthshire produced pistols that were a firearm of choice for highland clansmen but were also favoured by wealthy socialites.

Artcurial has made something of a habit of offering parts of the Eiffel Tower, pieces that were removed as part of periodic restorations of the famous landmark on the Paris skyline.

A North-west Coast Tlingit pipe in the form of a bear will be offered at an upcoming auction in Boston.

The sale titled California Jewelry held by Doyle in New York on November 19 includes some fine period pieces sourced by the Manhattan firm via its West Coast office.

This novel 14ct gold, cabochon emerald, diamond, and ruby brooch by Van Cleef & Arpels carries an estimate of $5000-7000 at Skinner of Boston’s sale of Important Jewelry on December 4.

Veritas will offer a Jiajing armorial dish (c.1530-50) in its next auction in Lisbon on November 27-29.

A London scene by an important Modern British painter will be offered at Deutscher and Hackett in Sydney on November 28.

ATG’s calendar of book auctions taking place in the UK and Ireland from November 13-23, 2018.

By the 1950s, as the global economic landscape improved, luxury was making a comeback and so too was the prolific use of diamonds in the jewellery of France’s premier ateliers.

Heritage Auctions’ Fine Jewelry Signature sale in New York on December 3 includes two rings by London-based designer and virtuoso goldsmith Elizabeth Gage.