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FD-302 (REV. 11-27-70). i : FEDERAL BUREAU OF INVESTIGATION . Date of transcription 3 16 77 . Baltimore, Marylan P 7 rovided the following information: . advised that the number 207 which appears within the postal cancellation on the two letters directed to Mrs. MARTIN LUTHER KING, JR., indicates that these letters were processed at the Prince Georges postal facility, Route 1, Hyattsville, Maryland. [further advised that letters mailed from within the University of Maryland, College Park Campus would be processed at the Prince Georges County postal facility. b6 b7C _ laterviewed on__.3/ LO/ 77? oo paltimore, Maryland File ¢__ 9% 2403 SA - by. SA smw Dots dictoted_ 3/16/77 ‘This document contains neliher recommendailons ner conclusions of the FAL Fle the property of the FBI ond bb loaned fo your agency; ' Woand Ite contents ore aot to be distributed ovtside your agency. =ji=|