Lot of three Bill Graham second printing concert posters for concerts that took place at the Fillmore Auditorium in San Francisco, CA in 1966. BG-15 measures 13-7/8x19-7/8" and has "Printing By West Coast Lithograph Co. SF" notation at lower left. For July 6 concert that featured The Turtles and Oxford Circle. Poster design by Wes Wilson features collage image by Heinrich Kley showing four turtles dancing while playing instruments. BG-28 measures 13-7/8x24-5/8" and features smooth border at lower right. For Sept. 16-17 concerts that featured The Byrds, Wildflower and New Stage Company. Design by Wes Wilson incorporates photo images of The Byrds. BG-33 measures 14x20" and has no Union logo and "Printing By West Coast Lithograph Co. SF" notation at right margin. For Oct. 23 concert featuring The Yardbirds and Country Joe & The Fish. Design by John H. Myers incorporated photo image of The Yardbirds. Tiny tear at upper left. Fine/VF. Other posters have some lt. handling wear w/corner bumps and general lt. handling. VF overall.