London

It was in December 2014 that Sotheby’s put an estimate of £100,000-150,000 on what it called at the time “probably the most famous and evocative illustration of the 20th century”.

Galleries want to encourage first-time visitors during London Art Week...

A forthcoming exhibition of two private collections spotlights both the genius of 17th century clockmaking and the remarkable objects the market has yielded across a generation.

A late 17th century ebony veneered table clock with a pull quarter repeat took a mid-estimate £17,500 at Chiswick Auctions on June 6.

Tom Davies is director at the Mayfair gallery Daniel Katz, specialist in Old Master sculpture and paintings. It is a participant in 'London Art Week', hosting an exhibition titled Defining Elegance.

The recent crackdown on Russian money in London seemed to have little noticeable effect on the latest Russian art sales in the capital.

As a showpiece for horology, the 'Masterpiece' fair lives up to its name. For all its welcome focus on the cool of 21st century collecting, at its core the 'Masterpiece' fair is a high-quality antiques show in the tradition of the Grosvenor House fair it replaced.

As Christo, the Bulgarian-American contemporary artist, unveils his first public outdoor project for the UK this summer in Hyde Park, Stern Pissarro Gallery’s show also offers a look at some of the most celebrated works he and his wife ever created.

By 1677, the great English clockmaker Thomas Tompion (1639-1713) was subletting part of his famous London premises – The Dial and Three Crowns at Water Lane – to one Jasper Braem or Bream (fl.1677-96).

A beautifully preserved 1937 first state copy of Tolkien’s 'The Hobbit' sold for £35,000 at Forum Auctions.

The Wassenaar Zoo in Den Haag opened its doors in 1937 and closed in 1985, but its wonderful library, essentially untouched since the 1970s, has only now come to auction in London.

Contemporary art specialist Halcyon Gallery will expand in Bond Street by moving into the Fine Art Society’s home of the past 142 years, in the latest example of a traditional gallery leaving Mayfair.

London dealer Daniel Katz has sold two bronze sculptures to the J Paul Getty Museum in Los Angeles, one by Auguste Rodin (1840-1917) and the other by Rodin’s assistant, model and lover Camille Claudel (1864-1943).

Dutch maritime charts feature in wide-ranging auction strong in travel and exploration.

The picture below shows Paul Viney (on the left), chairman of Woolley & Wallis, receiving congratulations upon being installed as Master of the Worshipful Company of Arts Scholars from Loyd Grossman, the outgoing Master (and now Deputy Master).

Alexandra Toscano is celebrating 30 years working at Trinity Fine Art, which specialises in 15th-19th century European art. She is vice-chairman of London Art Week (June 29-July 6)

Richard Green Gallery is in good company as it salutes one of its most prestigious neighbours this summer.