R. Crumb San Francisco Comic Book Limited Edition Signed Serigraph. Wildwood Serigraph, 2009. Color serigraph print with the comic's cover art, SIGNED by Crumb lower right, number 11 from an edition of 110. 24 ½ x 17 ½". Framed and matted (glass), 31 ½ x 23 ¼", with the printer's signed COA.