A conference next week will explore how the blockchain can transform the art world.
Cosby and his wife Camille own a "significant collection," their former curator says.
The computer created the portrait after being fed the images of 15,000 portraits from the 14th to 20th centuries.
A painting originally purchased by Nelson Rockefeller will be sold by a Brazilian museum.
The remnant of Hollywood’s golden age of horror depicts Boris Karloff in the title role.
The bond billionaire auctioned off his treasured collection for charity.
The auction house has been drawn into a legal between a Russian billionaire and a global art dealer.
Mary Boone, who has galleries on Fifth Avenue and in Chelsea, could face as long as six years in prison.
Art advocates say duties would discourage art imports and donation.
The 1972 canvas depicts two men: One stands at the edge of a swimming pool gazing down at another, who is submerged.
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