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Foib wot the ; cae LABORATORY —..2 FEDERAL BUREAU OF INVESTIGATION WASHINGTON, D. GC. 20533 to SAC, Seattle (7-618) Prete N Septenber 16, 197% * 7215200 Re: HEARNAP Lob. Ne. Do780912052 PF Specimens received 9/12/78 _ , 91071 Expo "7% posteard postwarked “U.S. POSTAL SERVICE, WA 990 «pM § SEP 1974" bearing written address “Mr. Andy Frain. e/o EXPO '7» Security EPO '7§ Spokane, Wa." and written message beginning “Just a note to thank YOoee” Result of exaninations Q1871 was searched in the appropriate sections of the Anonysous Letter File with negative results. A copy will be - added therato. It was determined that the questioned writing on this specimen was not prepared by PATRICIA HEARST, K32, EMILY HARRIS, © K37, or WILLIAM HARRIS, K55. Nothing of significance was noted in the exanination . of 21971 which would aid in deternining its tomediate source. This specinen is temporarily votained. A photograph is retained. j : | ;