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REPORT of the LABORATORY FEDERAL BUREAU OF INVESTIGATION WASHINGTON, D. C.20535 Date: Deceaber 1, 1972 TO: 8AC, Pittsburgh (9-2498) FBI File No. 9-55118 Lab.No UNSUB D-731116009 ML ROBERTO CLBMEST VICTIM: EXTORTION 11/15/T 91 Envelope postaarked "CLirrcx, HJ Pu sRp 26 1972," bearing Pittsburgh Pirates Three Rivers Stadiu Pitts.. Pennsylvania 15218" Q2 beginning "TO NR. ROBERTO CLEKENTE: ON SEPTEMBER 29TH, FRIDAY... Result of oxamination: Specinens Ql and Q3 were searched through the appropriate sections of the Anonymous Letter File without effecting an identificati. Photographs will be added to the file for future reference. No indented writing or wateraarks were found in Ql and Q2. An eight-cont U. s. postage stamp, which came froa a coil of stamps, is attached.to ql. The questioned typewriting on specimen Q2 is too liaited to specifically classify. howover, it nost closely reseables the standard for Smith-Corona pica style of type, having a horizontal spacing of ten letters per inch. Specimens Ql and Q3 are returned herewith. Photographs HEREIN IS UNCLASCIFIED DAte_10:a:8.L__Bi$P8BtlcoL Q^a.535