◆ SpookStack

SF 9958 reviewed in an attempt to tevelo:« logical suspects in this case with negative results. . Sn April 6, 1954, shington Fleid Office advised that the conte 7 letter had been furnished to = the Metropolitan Folice Department and te CaDeeeT. of the United States Caritol Police, At Oakland, Galigorni a3 r, United States Post Gffice, was interviewed in an effort to develo; leads from the envelope in which the message was conteined. ‘@qygggedvi sed that the figure 2 appearing in the >ostmark on the envelope indicated that the envelope Aad been processed by the No, 2 cancellation machine at the Pest Office Annex, Cakland, California. He aaid that there were five such machines in the Post Office Ampex. MMBMBMasvised that the 6:30 PM tine appearing on the postmark revealed that the envelppe had gome through the camel lattice machine be 6100 PH and 6130 PM. Segarting the collection of letters, state? that sixteen cost office trucks make pick ups from mailboxes throughout the city of Oskland and all letters are Gepesited, postmarked ani canceled at the Post Office smmax in Oakland. He advised that it was Lapperible te determine fren the cancellation or postmark on the envelope in which section ef the sity ef Oakland the envelope ‘had been matled. Regarding the stamps on the envelope, he stated that the two two cent stamps appearing on the envelope were from a coil of stamps rather than a sheet of stamps, He said that this type of stam is available in stamp aaghines at the main peat office and stamp machines located in drug stores and other business houses throughout Oskband. He farther advined thet these colle of stamps were sold to numerous business houses throughout Osklead, California, where they are Installed in plaetic ilepensers for use in business mailing, He advised that it war isnossible from the nature of the stamps to ascertain from where they were obtained, Sipe vices that the cancellation containing the 0 24556 12