From the collection at California State Polytechnic University in Pomona, clockwise from top left: a Guasti label; fieldworkers picking grapes at the Guasti vineyard in California, c. 1923; a grape crate label. Photo and illustrations: Southern California Wine and Wine Industry Photograph Collection no. 0012 and Ephemera Collection no. 0013, Special Collections and Archives, University Library, California State Polytechnic University, Pomona