Spain have consented to sending José Carlos and Jesús Ángel Bergantiños back to the US where they can be charged

As a major Malevich show opens in London, claims grow that the avant-garde market is still plagued by the fakes

Not fake, but ‘tarted up’

The University of Granada says it has found an authentic copy of Raphael’s Madonna of Foligno

New lawsuits filed after we publish list of those who bought forgeries—some of which have not been traced

The document details museums, art dealers and private collectors who have brought charges against the gallery and its disgraced director

New details emerge in British courts about disputed drawings that first emerged in Italy

How a forgery scandal brought about the downfall of New York's most prestigious gallery

In a time of increased importance on authentication, specialists are holding back in the hope of avoiding the worst.

Despite what one would initially believe

The organisation, the brainchild of coin collector Vladimir Kazakov and The East European Auction house, aims to ensure that the provenance of a piece has been checked via an unbiased system

After hundreds of works are seized in Germany, police swoop in Tel Aviv

A little-known copy of Leonardo’s The Last Supper by Marco d’Oggiono will get a thorough clean

The artist is implicated in scheme, allegedly allowing fakes to circulate

The pigment proved Beltracchi's version was inauthentic, since it was not in use at the time that the original was painted

Several of the New York gallery's representatives have been indicted for engineering the sale of Abstract Expressionist forgeries

Experts have been silenced by fears of legal action if doubts regarding the sculptures' legitimacy are voiced

The family of the artist Richard Diebenkorn says it alerted the gallery to fakes before they were sold

In 2011, he was given six years jail time for what was then understood to be a much smaller number of reproductions

The case has proved to be colourful, with Tatintsian counter suing Nussberg for at least $62m

Policy decrees that works determined to be fake must be handed over to the authorities so that they cannot re-enter the market

They deny selling fake Dalí works

Experts say the painting was completed at the same time as Leonardo’s original

The works were supposedly from the artist’s family and "rediscovered"

Fortunately for the German art forger, he has fled the country and therefore cannot be investigated