International

The furniture in the background of many paintings by Walter Sickert has proved to be a useful aid when dating his works.

Chairs by leading early 20th century designers were in high demand at an online sale at Dorotheum (25% buyer’s premium) in Vienna this summer.

The top lot in Stair’s (31% buyer’s premium) Americana sale had a distinctly British profile.

A look at the bumper season of fairs as dealers rouse themselves from holiday slumbers – including events in London, Yorkshire, Buxton, Paris and Florence

Events returning after the usual summer shutdown give a chance for the personal touch.

Top-lot honours in a summer sale of European furniture and decorative arts at Freeman’s (28% buyer’s premium) in Chicago went to a 1903 showpiece Martelé silver punch bowl by Gorham.

How an online-only auction house is taking its biggest consignment to a global audience.

An oversize 1881 albumen photograph of Thomas Hill’s painting 'The Last Spike', depicting the instant of the creation of the first continental railroad in the US, rolled to a five-figure sum at Freeman’s (28% buyer’s premium) in Chicago.

'Rumsinterior', a signed, undated oil on canvas by Swiss-born Danish artist Bertha Wegmann (1847-1926), hammered for $24,000 (£17,900) at Stair (31% buyer’s premium).

Described as a “pair of Chinese porcelain candlesticks. Late 19th century” and bearing the modest guide of $600-800, a pair of iron red-decorated holy water vessels hammered for $85,000 (£63,375) at Tremont Auctions (19% buyer’s premium).

The latest sale of Art Nouveau and Art Deco at Rago (28% buyer’s premium) in Lambertville, New Jersey yielded impressive results, totalling $953,938 (£781,450), selling 97% by lot and 165% by value.

Collotype portfolios by Gustav Klimt (1862-1918) ranked first and second in a Prints & Multiples sale at Toomey & Co (28% buyer’s premium) in Chicago.

Full set of seasonal series from the 1840s stars as Californian collection of literature comes for sale in US

George Washington portrait was thought to be a copy of Gilbert Stuart work by Canton artist Foeiqua