Mitchell, Joan (American, 1925-1992), Sam Francis (American, 1923-1994) and Walasse Ting (Chinese/American, 1929-2010), Fresh Air School Portfolio, 1972, complete with 3 original color lithographs - one by each of the artists. The prints are double-page and measure 15 x 22 inches full opened. Published by the Museum of Art, Carnegie Institute, Pittsburgh; color lithos printed by Maeght, Paris; introductory text by the museum's director Leon A. Arkus. The portfolio is complete, including text sections and many black and white illustrations, all housed in the original blue covers; pages loose, as issued. In very good condition, showing only minor creasing to the tips of the upper corners throughout; bold, clean contents; light wear to the outer folder; central fold, as issued. Merchandise will be packed and transported by the purchaser at their own risk and expense. A list of recommended shippers is on our website: https://www.conceptgallery.com/auctions/shipping/ .