Sotheby's latest auction house to end rhino horn sales

Sotheby's on Saturday became the latest international auction house to end the sale of rhino horn artefacts, withdrawing antique lots from an upcoming event in Hong Kong following an outcry from environmental groups.

Hopper, de Kooning hit new auction records in New York

Paintings by Edward Hopper and Willem de Kooning sold for nearly $92 million and $69 million respectively in New York on Tuesday, setting new world record auction prices for each artist, Christie's said.

Stephen Hawking's wheelchair sells for $393,000 at auction

A wheelchair used by physicist Stephen Hawking has sold at auction for almost 300,000 pounds ($393,000), while a copy of his doctoral thesis fetched almost 585,000 pounds ($767,000), auctioneer Christie's said Thursday.

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