Keppel's files from the early 80's and the mysterious (and phony) "Ted B"-signed postcard

Awhile ago I received from the King County archivists a pdf file with Robert Keppel's notes, Bundy-related. The notes in this pdf file basically contain Keppel's 80's correspondence with people about Bundy, also notes from experts who claimed they might help Keppel decipher Ted's personality based on his handwriting (bogus claim, in my opinion), and also a postcard that was signed "Ted B". The postcard also spelled "Raiford" wrongly, and it had a taunting tone, very different from the tone Bundy was using with Keppel at the time, and it was signed "Ted B", whereas Bundy would usually sign his name "ted" (lower case), and the handwriting on the postcard wasn't Bundy's either. I dare say I'm 100% persuaded that the postcard was a phony one, not sent by Ted himself. I'll share a screenshot of the postcard in a comment. In his 80's correspondence with Keppel, Bundy tried his best to show Keppel that he had a gr...