Last seen: March 3, 2022 7:56 pm
One thing jumps out: Could the letters have been mailed from Mare Island? Zip prefix 966 would theoretically fit the bill. … 966: US Military Ba…
Shaq, I believe the zone chart you posted applies to parcels (packages). I’m quite sure in 1969 that a letter mailed anywhere in the US cost the same….
No, I’m not interpreting it that way.
One thing jumps out: Could the letters have been mailed from Mare Island? Zip prefix 966 would theoretically fit the bill. 940: San Mateo & San…
It would have cost the same 6 cents per ounce to mail a letter to Vallejo though, regardless of the drop-off location.
<So, given this basic description, I’m wondering whether it was possible at the time for LE and/or FBI to liaise with SCF to back-trace the letters…
<Still don’t think we will ever pin a location. We aren’t privy to that knowledge about machine error locations.> Would machine errors matter, …
<FBI: I thought I read that some place. May be wrong.> That would be important to clarify.
<So, it may seem true the fbi knew of a good portion of the mail locations via these machine codes and the PO.> What do you mean?
Wow, excellent work. Interesting that the letters would have apparently been mailed from either San Francisco or the South Bay suburbs. Not sure many …
Regarding Eureka Card, i just read now that the keys were traced to a person named Sam in Eureka. Harvey Colliver’s Daughter (Cheri Silva?/Colliver) …
This was my understanding from posing the question a while back to a USPS operations employee: The letters with the two digit code (1A, 6B etc) would…
Or try to track down a San Francisco postal worker from that time and ask them for clarification.
If he worked at the Lawrence Lab, how would he have mailed the San Francisco weekday letters?
Interesting analysis Shaq. Or . . . the guy lived in the Richmond/Sunset district, and then moved.