Some $200 million worth of art collected by Len Riggio will be sold at Christie's in New York in May. Major works abound.

Louise Riggio is downsizing her Manhattan apartment, which means selling more than 30 works by artists including Mondrian, ...

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Christie’s AI art auction sparks controversy as artists protest unethical training data. Who profits, who loses, and what it ...

The upcoming Augmented Intelligence sale represents the first time a major auction house is focusing entirely on works ...

Government auctions provide a way to purchase surplus or forfeited goods from various federal agencies at competitive prices.