Mitchell, Joan (American, 1925-1992) and Sam Francis (American, 1923-1994) and Walasse Ting (Chinese/American, 1929-2010), Fresh Air School: Exhibition of Paintings, 1972, complete with three colors lithographs, number 21 of 30 of the deluxe signed edition; Francis and Ting signed and numbered at the lower right corner of their litho, Mitchell's signature appears at the header of her section. A tunning exhibition catalog, published by the Museum of Art, Carnegie Institute, Pittsburgh. The lithographs were printed by Maeght, Paris. Contents include an introduction by the museum's director Leon A. Arkus, along with many b&w illustrations. Loose sheets, housed in original blue covers. The lithos are double-page and measure 15 x 22 inches each. One of only 30 signed copies of this catalog that Arkus prepared for friends of the museum. Provenance: from the estate of a former director of the Carnegie Museum of Art. In very good condition; prints are bright, clean and unmarked; all pages with vertical fold in the center as originally issued; minor soil to the bottom edge of the front wrap and a few of the pages. 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/ .