Lawrence Bittaker serial killer along with his co-defendant were dubbed the 'Toolbox Killers'.  Norris received a 45 year to life sentence while Bittaker was sentenced to death in California's Gas Chamber. 

Business card with his name and address including his middle name misspelled Sigmond which is how it spelled with the department of corrections.
Includes one unused piece of dental floss sent by Bittaker to a longtime friend.

Lawrence Bittaker Business Card And Dental Floss