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NY 9-1462 wiotin tust might be comnscted with instant case. Miss DIETRICH gave euthority WV to have exy letters or other communicetions in possession "ili possibly pertainiag to the author of tue note obteined from her forwarded to the FBI Laboratory for appropriate exenination. The Seettis Division was instructed to conduct insestigation at Vancouver or Best Vancouver, British Columbia to identify the QP =. might be idexticel with the euthor of the threatening mote. On April 1, 1948 the ics les Office advised that tw Letters bad been obtained postaarked at Vancouver, Brieieh Columbia, Canada 1868 at 3:00 PY and Mereh 10, 19468 ee communications and the be ast forth bersin. It ia noted thet 02 incoherent Bot? amma aces ha te ext se fees a nae I 1948. By letter ef april 13, 1948 the rted that the Jatent fingerprint exminetion was megative. Qe April 3, 1968 the Seattle Bivision advised by teletype er the shoes West Fancovrer, British Columbia bed reves ed that the U bY ing the ead ef hostilities.