TLS, one page, 8 x 10.5, FBI letterhead, May 13, 1969. Letter to Harry Thayer at H–W Radio, Inc. In part: “I can understand the concern which prompted you to write and would like to thank you for furnishing the advertisement to me. Since this may be of interest to another government agency, I have forwarded a copy of your communication and its enclosure to the Chief Postal Inspector.” In fine condition, with a paperclip impression to top edge. RRAuction COA.
