Peaks for best modern and contemporary artists High prices for works by Miró, Bacon, Moore and Richter are reminiscent of the boom

Do they present a potent threat to the long-standing dominance of Christie’s and Sotheby’s?

Some galleries feel the major auction houses are encroaching on their rightful territory

Some truly stunning pieces are to appear on the block this year

Market gains ground as annual auctions bring in new collectors

Tied to increasing prominence of private sales by auction houses

Russian money behind many sales as records tumble

Jeanne Marchig misses out

The gallery paid £11,000 for the four bronze sculptures in 1957 - Christie's just sold one for $48.8m

Christie’s totals higher, but Sotheby’s had the standout individual piece

Some good prices were made, but top quality works were relatively thin on the ground

Sarah Morris, Mark Bradford, and Andy Warhol are this season's London highlights

Gagosian among four called to court

Aurora Fine Art Fund claims it has conclusive evidence that £1.69m work is not by Boris Kustodiev

Christie's Paris sold the work to an anonymous phone buyer

While the Russians are branching out, Indian collectors don't stray far from home

'10 auction report observes revived market in London

Yves Klein, Günther Uecker, and Peter Doig are this season's highlights

Whilst lesser pieces go unsold

The market has recalibrated, but major pieces spark highly charged bidding wars

Houses keep their heads above water with wider international selection

Rembrandt, Domenichino, Raphael and Van Dyck all on offer, but how many will remain in the UK?

A $1m reward is being offered

The billionaire collector granted us a rare audience at his new gallery in Venice

Saatchi sells two Kippenberger paintings

Mixed results as contemporary art nosedives while earlier works avoid the worst

Fakes left in place of stolen artefacts in elaborate webs of deceit

Collectors respond as prices drop to 2005-6 level

(est £4m-£6m), the work remains unsold