Herbert William Mullin early 1970's Santa Cruz, California serial killer serving life in prison for 13 murders he committed which he said were carried out to prevent earthquakes. 

6 3/4" x 8 1/4" illustration on which Mullin has written, Maybe Old Buddha saw this I Ching Book as a pattern for the eightfold path?? with a smiley face drawn below the question marks. He has continued his writing and then hand signed the back, Herbert Wm. Mullin 8/10/2004 Tues.

Herbert Mullin Signed I Ching Pattern