John Baldessari (American 1931-2020), 'Throwing Three Balls in the Air to Get a Straight Line (Best of Thirty-Six Attempts)', 1973, a complete set of 12 offset lithographs in colors on coated stock paper, with title-page and justification page, numbered from an edition of 2000, co-published by Edizioni Giampaolo Prearo and Galleria Toselli, with original blue letter-press paper slipcase; sheets: 24.2 x 32.3cm each