Twelve works from the late dealer's private holdings will be auctioned during May's marquee sales in New York.

Sotheby's to sell 12 artworks from Barbara Gladstone's collection in May, including works by Andy Warhol, Richard Prince, and ...

The jersey Kobe Bryant wore in his NBA debut sold for $7 million in auction on Thursday. The sale sets a record for any ...

The 1981 painting-unseen for over three decades-is estimated at up to $15 million, topping a week of high-stakes sales ...

Collection features works by artists represented by Gladstone’s Influential Gallery.

James Stourton's new book explores changes from the power shift to the auction houses in the mid-20th century to the excesses ...

Sotheby's is is offering a rare, complete set of Shakespeare Folios in a dedicated auction next month in London.

The acquisition expands Kuper's brokerage services to Port Aransas, Corpus Christi, Rockport and North Padre Island, among ...

A set of the first four editions of William Shakespeare’s collected works is expected to sell for up to 4.5 million pounds ...

A Kobe Bryant Los Angeles Lakers jersey from his rookie season just sold for a bonkers $7 million at a Sotheby's auction.