Air mail envelope to FBI Seattle, filed 164-81-Sub B

Document date 16 December 1971

Part 73page 4141 pageDB Cooper-31774

Open in FBI Vault (Part 73, page 414 of the PDF)
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Id: Cooper-Part-73:414-414

Subject: Cooper Files: Cooper-Part-73:414-414

Document: Air mail envelope to FBI Seattle, filed 164-81-Sub B
Id: Cooper-Part-73:414-414
Page: https://cooper.theunsolved.net/documents/Cooper-Part-73%3A414-414

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FBI 164-81, Vault Part 73 p. 414 (DB Cooper-31774), Other, dated 16 Dec 1971 — cooper.theunsolved.net/documents/Cooper-Part-73%3A414-414

U S AIR MAIL 11¢

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The F.B.I. Seattle Washington

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Sub- R

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164-81-Sub. B

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SEARCHED /s/ INDEXED SERIALIZED FILED DEC 1 6 1971 FBI - SEATTLE

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DB Cooper-31774

Serials: 164-81-Sub. B