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« REPORT e of the @ s \ LABORATORY FEDERAL BUREAU OF INVESTIGATION WASHINGTON, D. C. 20535 To: sAc, New York (164-627) Dete: January 5, 1972 FBI FileNo. 164-2131 | Re: WORJAK Lab. No« D=-7313222011 LL Specimens received 12/21/71 Q33 Envelope postmarked "U. 8. POSTAL SERV. © AM 1l DEC 1971," bearing typewritten address "Managing Editor New York Tines Newspaper | New York, New York" Q34 Accompanying one-page typewritten letter beginning "Die COOPER” from the start..." and ending Result of examination: Specimens Q34, Q24, Q26 and Q28 are carbon copies of the same poriginal letter with the exception of the numbers at the bottom of these items. , ' The’ ‘typewriting on Q33 and Q34 most Slceely matches a pica style of type used on Singer electric typewriters. It is noted, however, that similar styles of pica type are found on Saith-Corona typewriters. ‘Mo watermarks indentdd writing or other features were found on 933 and Q34 which would be of value in determining the source of these specinens, ; it ' t 1 - * Q33 and Q34 were photographed and will be returned separately. $s sah O78 JAN@ 1972 THLE ° FBI -— SEA DB Cooper-5561