FormFD-340 receipt for Xerox of letter and envelope sent to Manager, Portland International Airport, with the calligraphic letter and postmarked envelope8 December 1971page 2 of 4
fbi_formLegibility: medium
Part 81, page 15
DB Cooper-35350Serials SE 164-81-1A
Document date 8 December 1971
Open in FBI Vault (Part 81, page 15 of the PDF)
FBI 164-81, Vault Part 81 p. 15 (DB Cooper-35350), Form, dated 8 Dec 1971, serial SE 164-81-1A (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-81/pages/15
Transcript
The scan is the source; the transcript is machine-generated from it.
DB Cooper-35350
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164-81-1A
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65