Raices-Roots (Tres Generaciones) art exhibition mailer. The Performing Arts Center Lobby Gallery at California State University, Northridge (CSUN) presented the work of Ricardo Ortega, Frank Martinez, and Lalo Garcia at this 1998 exhibit. All three artists make their homes in the Los Angeles area. Three beautiful examples from the exhibit are featured on the front of the piece. Advertising mailer, 4.25 x 6 in.