Clifford Robert Olson deceased Canadian child serial killer.  Authorities in Canada agreed to and paid $10,000 to show them where each of his unknown victims was buried. 3 1/2" x 5" photograph taken at the Kingston Penitentiary on July 28th, 1988. Olson is working out with a punching bag on the prison yard. Inscribed & hand signed on the back, "To: (insert name), From: Clifford Robert Olson".