-Jimi Hendrix / Soft Machine / MC5; Masonic Temple Detroit 25.02.1968, VERY RARE! USA original & Official 2nd printing art 1991 Grimshaw Signed Concert Poster , measures approx 17" x 27". Official 2nd printing 17 x 27" 1991 commemorative poster for the Jimi Hendrix Experience with the MC5, Soft Machine and the Rationals at the Masonic Temple in Detroit, MI on 2/23/196