Preparatory sketch for The Triumph of Caesar will go on sale in New York in January

Painting of Lucretia has been in a private collection in Lyon for the past 40 years and is estimated to sell for over €600,000

Speculation remains over whether Salvator Mundi will appear

Panel depicting the Mocking of Christ will go on sale at French auction house, in collaboration with Eric Turquin, in October

Exhibition will bring together Vienna museum’s collection with key loans from European institutions, as well as unveiling a raft of new theories

Suspect has been jailed in northern Italy over case that has embroiled major international museums and dealers

Painting will be exhibited at Frieze Masters next month, after a "style of Botticelli" sleeper sold for over £6m at Zurich auction in June

As the Tate Britain show opens, we reveal the inside story of the Tate’s failure to acquire 19 watercolours from a portfolio that turned up in a Glasgow bookshop

The Finding of Moses, currently on loan at the London museum, is owned by sofa-billionaire Graham Kirkham

We look back at the women who were written out of art history with National Gallery curator Letizia Treves, Patricia & Phillip Frost Art Museum director Jordana Pomeroy and artist Helen Cammock

The 16th-century Virgin and Child with Saints is now back on show

Part of the Wellington Collection in London, the picture was originally believed to be by a minor north Italian artist

The painting, long the subject of an attribution dispute, is now at the centre of a legal conflict over ownership

During London's Classic Week, we take a look at what the same sum will buy you at either end of the art historical timeline

Five lots from the DFS founder Graham Kirkham's collection made up almost half of the value of the £56.3m London sale, which was led by a late Turner

Our pick of highlights from London Art Week exhibitions and auctions, including an export-barred Renaissance cabinet and an uncharacteristically cheery Ribera

France's Gazette Drouot claims that Hill might have bought the painting and it could be headed for the Met in New York, according to a source

Estimated to sell between €100m-€150m at auction on Friday, an anonymous buyer has snapped up the disputed painting that was discovered in a French attic

The uncovered figure changes the composition of Girl Reading a Letter at an Open Window

High-level diplomacy is being used to secure the artist’s most important works for blockbuster anniversary show in Paris

There has been intense competition to borrow works by the artist during the 500th anniversary of his death this year

A Dutch double portrait from Frank Stella's collection led the New York auctions by fetching $10m

Two works from the private collection of renowned New York dealer Herman Schickman hit the auction block today after being loaned and lost from the Met's collection

A reminiscence of the New York socialite, arts patron and philanthropist by Keith Christiansen, the chairman of the Met's European Paintings Department

London case surrounding Brueghel painting raises questions over whether a work's full sales history should be listed—even when that shows a big markup

A new show at the Legion of Honor is the first to focus on the artist's post-Italy years

The Old Master specialist who researched the provenance of the recently attributed painting on the joys of exploring French attics

Our pick of the latest gifts and purchases to enter museum collections worldwide, from Van Dyck’s portrait of a princess bride to a rare painting by a Brazilian Modernist

From Moroni's inventive portraiture to Hans Op de Beeck's dreamlike world