International

Although the image may be familiar from stereoscopic photographs and engravings of the period, this view of the 1862 'London International Exhibition of Industry and Art' is an oil and canvas by the Italian painter Federico Moja (1802-85).

Focus on first part of a series of porcelain sales offering businessman’s collection

Annual specialist extravaganza held in Paris involves galleries, auction houses and museums

Stand-out lots from upcoming sales including Chardin still-life, Napoleonic marshal's baton and fine art collection acquired over decades

Published between 1750-73, Plantae selectae quarum imagines ad exemplaria naturalia Londini in hortis curiosorum (‘A selection of plants from natural specimens nurtured in London’s curious gardens’) is considered the most important botanical work ever printed in Germany.

This wreath of helichrysum (immortelle or everlasting) flowers was apparently sent to Napoleon on St Helena as a token of support from two of his sympathisers in London.

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

Remarkably, although a very successful and popular artist, no accounts of the work of the Georgian caricaturist James Gillray (1756-1815) were published in England during his lifetime.

A picture by the artist dubbed ‘the Irish Alfred Wallis’ soared above estimate to bring a record at Dublin saleroom Adam’s (25% buyer’s premium).

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.

A rare lobby card for The Mummy was brought to life at an auction in Los Angeles

Two quite different pieces of glass designed by Dino Martens (1894-1970) led the April 23 sale at Aste di Antiquariato Boetto (25% buyer’s premium) in Genoa.