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2 , Fae 2G AV Ts B*ZRDA] Ne -: . FBI Date: 6/13/74 (Type in plaintext or code) \ neal = oe eo, pr 4 ; i ¥ Vie AQVTEL AIR MATT ae (Priority? | ae ee ee L Ma . * TO; DIRECTOP FBI (7715209) ae (ATTN: GID, INTD, FBI LAB - CPYPTOCRAPHY SFCTION) io - PROM: SAC-SAN_FRANCISCO (7-855) (P) ee “ODO } e. SUBJECT: HEAPNAD_” aa “~ 60:2 SF Re: ENCODED SLA MATPRIAL PRCOVEPED PRO : 833 HEST 84TH STPEET, LOS ANGELES: . Po LA airtel to BU, 5/20/74, enclosing copies . of tvo-page encoded letter recovered from os $33 West 84th Street, Los Angeles, and FRI e Lah Peport, 6/6/74, Lab #CP142121Cc, renorting * results of cryptonalytic examination of i Specimen 0C1523. vt San Francisco is in agreement with Tak that : Enclosed In Parantheses following encoded strect names on % referenced specimen may very well represent numbers. to Be assist Cryptoaraphy fection in possible decodina of these ar hunbers, the following information is set forth: - . It is noted that Page One of specimen heoins he pry, Me Allister. Mc Allister is a street in San Francisco. cf ; _ Battery Street (followed ky BU) runs fron C y 09-1300, with no 399 hlock addresses. a _ Broadvay fStreet Gyr) (OTOS) runs from 300- “ * A 2900. “4 4 ny “ + . , 7-18 2 CO? BSle Be Sansome Street (ai runs from OHO “es. ; * Cy?- Bureau | WA JUN AS 1974 Le ~ Los Angeles (7-1627) a Lvs / 2 - San Francisco preeere) ECHL PF ae? - nd *! OJP rsmg aK 5 ra rn |) ee \ A ; Special Agent in Charge - ett Be ae : p Py a a ee tr Ag : vo Approved; = a Sent __ M Per U.S.Goverament Printing Offica: 1972 — 455-574 ee” MNT tee ba vane ae eT eee “¥ - “ Fn pct "hes . Se EE Seen) rat ee