International (print edition)

The David and Peggy Rockefeller auction at Christie’s New York earlier this month was significant as a new high for a single-owner sale, with a series of noteworthy results such as a $102m (£75m) Picasso.

Dogny Auction in Lausanne will be offering this portrait by Albert Anker (1831-1910) as a highlight of its June 5 summer auction.

Around 50 lots of French porcelain from the collection formed by Nadia Ortiz Patino of the famous collecting family are to be offered in a June 6 sale at Drouot, to be held by Thierry de Maigret under the expertise of Hervé de la Verrie.

If pictures provided the backbone of the Dodo Hamilton collection, then there was no denying the sale’s most popular entries: a large selection of polychrome painted rattan and wicker conservatory furniture, perfect for the Florida beach house.

The eclectic collection of Dr Georg Fischer goes under the hammer at Tajan in its Paris rooms on May 23.

Three sessions devoted to antique and vintage toys over two days take place at RSL Auctions in New Jersey on June 2-3.

In its auction series in Madrid from May 22-24, Segre Subastas will offer 'The Pyramids of Giza' by the Orientalist artist Charles-Théodore Frère (Paris 1814-88).

This pair of ormolu candlesticks by Pierre-Philippe Thomire (1751-1843) will feature in the May 24 auction at Duran Subastas in Madrid.

This Allegory of Spring by the 17th century Italian artist Pietro Liberi (Padua 1605-Venice 1687) is one of the works in the May 21 auction of Old Master paintings and furnishings that opens Babuino’s next auction series in Rome.

Unusual in the post-internet age, Freeman’s first-floor gallery in downtown Philadelphia was standing room-only for the April 29 auction of the collection of Dorrance ‘Dodo’ Hill Hamilton (1928-2017).

Old Masters and post-Impressionist paintings, vintage luggage and the almost inevitable Asian artefacts all appeared among the best-sellers in the recent round of auctions held across Germany and Switzerland.

Axel Plambeck (b.1936) was CEO of a re-insurance company and in his spare time he collected vintage luggage and picnic sets.

A late 19th century Art Nouveau centrepiece is one of the highlights at Quittenbaum’s Munich sale on May 15.

Main stage at the design auction at Dorotheum in Vienna on May 30 is taken by jewellery designed by Josef Hoffmann, one of the leading lights of the Wiener Werkstätte.

Pride comes before a fall and in the case of Napoleon, Smolensk came before Moscow. On May 18 Ketterer Kunst is selling a 2ft x 2ft 7in (60 x 79cm) scene of Napoleon observing the burning city of Smolensk.

Numerous works of art in the spring sales at Van Ham in Cologne come from the extensive legacy of Friedrich Wilhelm Waffenschmidt (1925-2017), founder of one of Europe’s leading electronics retailers.

Survivals of ancient classical sculpture carved from ivory are incredibly rare, so the appearance on the market of this naturalistically carved ancient Greek horse’s head is a notable occasion.

A classic, rare 1938 poster for the London Underground designed by the Surrealist artist Man Ray is one of the highlights of a graphic design sale to be held by Swann Galleries on May 3.

Weschlers’ mixed-owner Capital Collections sale in Rockville, Maryland, on May 11 will offer a very wide range of fine and decorative arts.

New York City hosts another edition as the fair format becomes established in the US