TLS, one page, 8 x 10.5, Senate letterhead, October 20, 1954. McCarthy praises a participant in his well-publicized Communist witch hunt, in part: “Your testimony…before the Senate Permanent Subcommittee on Investigations will be in printed form for public distribution…I want to take this opportunity to thank you for the public service you have rendered by testifying before this committee in helping to expose Communist infiltration into this nation’s defense plants.” Four pieces of old tape on reverse edges, otherwise fine condition. RRAuction COA.