North America

Impressions of all three of Albrecht Dürer’s (1471-1528) famous Meisterstiche (master engravings) were sold by Grogan & Co (25% buyer's premium) on May 4.

Recently found in Italy, a previously unrecorded portrait of Benjamin Franklin sold at Freeman’s Hindman (27/21/15% buyer's premium) in Philadelphia for $30,000 (£24,000).

Image of a horse-drawn coach takes top price as many desirable designs come up at auction

Marion Antique Auctions’ (23% buyer’s premium) May 4 sale included a 1913 yachting trophy made for the winner of the Eastern Yacht Club Cruise. That winner turned out to be Elena, a 136ft vessel owned by railroad baron Morton Plant (1852-1918).

Two oils by the Anglo-American marine artist Robert Salmon, painted while he lived and worked in Scotland, were offered by Stair Galleries (28% buyer’s premium) in Hudson, New York, on April 25.

René Lalique had already enjoyed a hugely successful career as a jewellery designer in the Art Nouveau taste before he ventured into glass manufacture and the Art Deco.

The Memphis Miliano design movement was born on the evening of December 11, 1980, when architect-designer Ettore Sottsass (1917-2007) invited young creators and architects to discuss the future of Italian ‘post-modern’ design.

Snake bracelet among the highlights as period jewellery makes a Chicago auction debut

In his native Hungary, Károly Patkó (1895-1941) is a recognised name in early 20th century art.

A spectacular 19th century Steinway concert grand piano sold for $80,000 (£64,000) at Nadeau’s (23% buyer’s premium).

Manuscript ‘sold in 1776’ at forerunner of Sotheby’s emerges in New York sale

Like all artists born in the 19th century, Gustav Klimt (1862-1918) underwent a traditional academic training, studying at the Vienna Kunstgewerbeschule (now the University of Applied Arts, Vienna) from 1876-83.

New Orleans art, antiques and jewellery firm MS Rau is expanding and will open a second seasonal location in Colorado, on June 6.

An oil on canvas of a German scene was probably on display at Louis Comfort Tiffany's Long Island home, sold in the 1940s.