LetterAnonymous cut-out/collage letter claiming to be the hijacker, with envelopepage 4 of 4
otherLegibility: low

Part 16, page 405

DB Cooper-4783

Open in FBI Vault (Part 16, page 405 of the PDF)

FBI 164-81, Vault Part 16 p. 405 (DB Cooper-4783), Letter, serial SE 164-81-1380 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-16/pages/405

Transcript

The scan is the source; the transcript is machine-generated from it.

[illegible handwritten text across upper and middle portions of envelope]

[Bottom left corner marking:] [illegible, possibly a number or initials]

[Bottom right footer:] DB Cooper-4783

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FRANK LLOYD WRIGHT [guess: 2c] U.S.A.

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DB Cooper-4783