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ct LABORATORY a FEDERAL BUREAU OF INVESTIGATION WASHINGTON, D. C. 20535 To 6 SAC, San Francisco (7-855) Date: February 15, 1974 ; . FBI File No. 7-15200 . ° Re: HEARNAP 7 Lab. Ne. D-7 802 130 49 PP Specimens received 2-13-7 Fy Qhl White envelope postmarked "U.S. POSTAL SERVIC#™ CA 940 PN 10 FEB 1974," bearing typewritten address , 233 W. Santa Inez Ave., Hillsborough, Cal. 9 0107?" Q’2 Sheet of paper bearing typewritten message beginning "Dear Hearst Family, I am white ..." _ Result of examination: Qhl and Q32 were not associated with material naintained 4n the Anonymous Letter File. Copies have been added thereto. The typewriting on Q41 and Q42 corresponds to Laboratory standards for a Setag pica style of type, spaced 250 millimeters per one hundred characters. This style of type isused on the typewriters manufactured under brand nameg including Calanda, Hermes, Japy and Princess. . No typewriting on items previously submitted in this ~ i case or'in case captioned "SYMBIONESE LIBERATION ARMY (SLA) EM” were determined to correspond to this gyle of type. A Qh2 has adhesive on the right side, which indicates it was torn from a tablet or pad. Q4H1 and Qh2 contain no watermarks, indented writing of significance or other characteristics | to aid in determining their source. An eight cent U.S. Postal f Service stamp, torn from a roll of stamps, is affixed to Q4i. The submitted evidence, which has been photographed, 4s being returned separately. BRG :-mew (7) runt