Summary
With a global pool of collectors competing for more than $1.5 billion worth of fine art, the city's top auction houses are expecting record values for trophy works at sales over the next two weeks.
Christie's estimates its postwar and contemporary art auction will fetch a total more than $600 million, the highest pre-sale estimate ever for any single sale.
Christie's achieved the best total in the history of auctions in May when it sold $745 million worth of art at a previous postwar and contemporary sale.
The sales kick off on Tuesday at Sotheby's, which will hold its sales of impressionist and modern art, followed by Christie's sale in the same category Wednesday.
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