Christie’s Will Auction Two Joan Mitchell Paintings from Rockefeller University Estimated at $32 M.

Sotheby’s will auction two paintings by Joan Mitchell from the collection of Rockefeller University during its 20th century evening sale on November 19.City Landscape (1955) has an estimate of $15 million to $20 million, and is the larger of the two. The other is an untitled painting, also from 1955, that carries an estimate of $9 million to $12 million. Both works date to the era when Mitchell was ascending as one of the foremost artists of the Abstract Expressionist movement.Rockefeller