He was promised preferential treatment (and paid for it) but was then left out of almost all sales

Nine Modern paintings from the MoMA collection go on sale at Christie’s this month - is it to fund the purchase of the Hirsts at Tate?

Pieces were seized from three auction houses, a lawsuit is now pending

Unesco sends out conflicting press releases

Thailand closes its border, depriving Cambodian vendors of customers which has led to starvation, while gun fighting has occurred, and tension remains high

Claim against Agnew’s dismissed though the painting ruled not autograph

The gallery catalogued both works as genuine, though experts made no secret of their ambivalence

Litigation may reveal the operations of one of London’s leading galleries and its Liechtenstein subsidiary

Legal battle over Dr Gustav Rau’s paintings, which he wants to give to Unicef, and which are on loan to Paris

Anger at appointment of collector who imports the very objects the committee tries to keep out

St Clair demands greater candour in the fallout of Lord Elgin and the Marbles' third edition, in which it was asserted that over-cleaning had irreparably damaged the marbles

The case is particularly difficult given the scarcity of drawings by the artist

Government ministers quarrel over paperwork, but also over the care and safety of 'sacred and symbolic' treasures

“A way of thinking that has visible form”

The Art Newspaper surveys the successes and failures of the much criticised organisation