Bill Wilkinson was Imperial Wizard of the "Invisible Empire, Knights of the Ku Klux Klan" from 1975 to 1981. He was also an alleged FBI informant dating back to 1974.
 
5 1/2" x 8 1/2" one page handwritten letter penned on Invisible Empire Knights of the Ku Klux Klan stationary hand dated December 9, 1982 and hand signed at the close, Bill Wilkinson.