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eee ene Sener eee re : some Wwous _q i ato: «oe a fo of the oe \ : Jac. LABORATORY 40% a —— a a tetas ee . oat s aw ra FEDERAL BUREAU OF INVESTIGATION WASHINGTON D.C. | Ys gac, Washington Fielé . Septeaber zh, 195 There follows the report of the PBI Laborato on the . a of evidence received from your office sep 155 po” yp ESPIONAGE ~ Yoke Edger Howe, Diector YOUR FILE NO. - FBI FILE NO. “lot LAB. WO. a * DONALD DUART MACLEAR, et al co Examination requested by: Wa shinzston Field Reference: Letter - September 14, 1952 Examination requested: Document Specimens: , _Q7 Envelope of Sportsman's Hotel, Tulelake, California, poste marked Tulelake, Calif., Aug. 17, 1951," 10AM, addressed “agent-in-Charge Pedsral Bureau of Investigation Dept. of, Justice San Prancisco California." QB First page of ace letter beginning "Sirs Where ia | possibility that .* Q@9 Second page of accompanying letter beginning ing Wiwieies Address was...” and ending "sessstand by for edditionsl data.® Results of examinations es The anonrmous haenéuritten ena printes é . postmarked Fovember 10, 1950 at Hot Spr South Dekota, a photostatic copy of which was forwarded to cy Knoxville Serace with Bureau letter da Pay only two handprinted 1 words. The balance of tie soRe gore Wettten as in script. a fl 4 comparison of th bac eiice ore words in the a montloned Letter with the | specimens Q7, Q8 and =a we Tn Sr ge eee et cS nS St mais AO eA ree ane ARERR a RM van” has resulted in the 664 rint on the be oe Jatter wan mada by tha anma by, y bpneprd er Q7, Q8 and G9. _ econo j oh es C7 through 8 ose cimens s— FP nee P.26- t i hersvith, Fhoto- etetict vg Laboratory's mre or SEP 24185 | 3 S/iy AO o°) f. COMM _ ER . a 7