Features

This 15th century ring, set with a rhomb-shaped table-cut sapphire, is engraved with lilies and other flowers issuing from a crescent bowl.

Portable timekeepers full of collectable appeal need not be just those worn on the wrist

The professional goldsmith and jewellery designer was not the first woman in such a role but received significant prominence in the Victorian era under her own name

It’s not unusual for an antique jewel containing a particularly high-quality stone to be broken up after its purchase – the intrinsic value greater than the value of the whole.

This Rolex Cosmograph Dayton is proof that some branded wristwatches have become an exceptional investment

This 1970 Heuer Autavia Chronograph was awarded to rally driver Doug Harris for finishing the 16,000-mile London to Mexico World Cup Rally in 1970.

A group of design objects consigned by British textile artist and designer Ann Sutton (b.1935) was offered as part of the Lyon & Turnbull Modern Made sale.

In the years after the Wall Street Crash in 1929, some of the less expensive gemstones became popular in jewellery manufacture.

The Fine Jewellery auction at Fellows in Birmingham on June 15 includes this Arts & Crafts silver blue gem and bluster pearl foliate pendant.

This late untitled drawing by Arshile Gorky (1904-48) in pencil and crayon on paper was the highlight of a sale of Modern and Contemporary paintings held by Digard (25/20/14% buyer’s premium) on March 28 at Drouot in Paris.

One of the top-priced lots in a recent sale held by CRN Auctions (22% buyer’s premium) in Cambridge, Massachusetts, on April 23 was this work on paper by Alexander Calder (1898-1976).

A classic pale pastel toned still-life by Giorgio Morandi (1890-1964) is one of the headline lots in a two-day sale of Modern and Contemporary Art at Farsettiarte in Prato in Italy on May 26-27.

It is a rare event when a painting by Howard Hodgkin (1932-2017) turns up at a German auction, but on June 5, Van Ham can offer his 1996 painting Miami in its Modern and Contemporary sale.

The composition and use of colour make 'Monica nude with Lichtenstein', which is being sold by Ketterer Kunst in Munich on June 9, instantly recognisable as a work by American pop-artist Tom Wesselmann (1931-2004).

This Normandy beach scene by Kees Van Dongen (1877-1968) from c.1948-49 will be offered for sale by Gros & Delettrez at Drouot in Paris on June 20.

High-value Post-war and Contemporary art is increasingly on offer beyond Mayfair and the centre of the capital

French artist Nancy Delouis (b.1941) was born into an artistic family.

Painted just after the Second World War, this Surrealist landscape by John Tunnard (1900-71) depicts a series of futuristic antennae, ancient megaliths and henges – plus the ‘dry tree’ motif the artist used as a symbol of destruction and death.

Art from the collection of Christine Poirot-Delpech was the object of a sell-out single-owner sale at Art Valorem (28.8% buyer’s premium inc tax) at Drouot on April 6.

Two separately consigned Modern Indian paintings were among the notable performers at Chiswick Auctions (25% buyer’s premium) in the early spring, one fetching an expected price but the other making a sum that was more of a surprise.