14x20.5” first and only printing for July 21-22, 1967 concerts at California Hall, San Francisco featuring The Youngbloods, The Magic Fern, The Wildflower, Chapter 3 of Junior G-Men. Art by Greg Irons for “Strange Happenings – A Dance Concert With Bands, Lights, And Vaudeville All Giggley & Weird…” features unlicensed image of Marvel Comics character Dr. Strange standing in cloud that has band names. Lower right corner, on the thin white border, has 2" streak of black staining. This would easily mat out and poster otherwise is N.Mint. A rare and very desirable concert poster, our last example sold for $1,232.