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~ . ofthe | ~ FEDENAL BUREAU OF INVESTISATION ~ _ WASHINGTON, D.C. 20535 Te , New York (7-1976) — Date: . _ FBI File Neo. Re: FF : Lab. No, Specimens recetved 6/3/74 me ee Q1526 Slip oi ruled paper bearing handwritten message beginning © ® * "Rockefeller will be ..." So las Result of examination: oo OS Q1526 was not associated with material maintained in — the Anonymous Letter File. Copies have been added thereto, oy . ow 0 A defiaaoite conclusion was not reached whether the i questioned writing on.01526 was .prepared by any of the writers ‘of: the unidentified questioned writing, known writing, or purported "er"! : | known writin; on items previously submitted in this case and in ssc 5 case captioned “SYLDIONESE LISSARATION ARMY {SLA) El," due to the ; presence of unexplained variations and the lack of suificiently..°. = comparable writing. However, nothing of particular signficance ‘ ‘was observed in comparing the questioned writing on (1526 with comparable unideniatied questioned writing on items submitted ‘Gn these cases. No items containing writing have been submitted dn case captioned "UNSUB, aka 'Calaban;" The Upjohn Company Kalamazoo, Michigan - VICTIM; ExTORTION," . .Q152G, which has been photographed, is being returned ae separately. | ene | ed Yeo s. a