Donald Jerome Shea aka 'Shorty' Shea.  Shea, a Hollywood stunt man and actor.  Charles Manson,  Charles Tex Watson,  Bruce Davis and Clem Steve Grogan were convicted of killing Shorty.   Original two sided document 'Notice of Cancellation from the Mercury Casualty Company' dated Sept. 17, 1968. Signed on the front by Cooper Blanton, vice president. 
Obtained from an individual personally involved in the Manson Family case.