Lawrence Bittaker (Toolbox serial killer) and Douglas Clark (Sunset Strip Killer) both sentenced to death. 

4" x 6" photo of Lawrence Bittaker and Douglas Clark taken on the prison yard during the early 1990's.
Hand signed twice by Doug Clark. Hand signed on the front, Douglas Clark. Clark has also scribbled above Larry. 
Hand signed on the back, Douglas Clark death row San Quentin 1996 Larry Bittaker.
All writing on both sides is Clark's. Bittaker did not write or sign this photo.