Up for sale is an incredibly scarce, museum-grade piece of cryptozoology history! This is a 100% original, authentic typed correspondence document sent directly from legendary Bigfoot hunter Peter Byrne via the historic Bigfoot Information Center and Exhibition in The Dalles, Oregon.Dating exactly to July 31, 1975, this item represents the absolute peak era of 1970s scientific Sasquatch research in North America. It is a dual-sided survivor piece, acting as both an informational brochure/sighting map and an official piece of direct postal history. Front Side: Sighting Map & Exhibition Brochure. The front features the promotional layout for the Center, including: A bold reproduction of the iconic Frame 352 from the 1967 Patterson-Gimlin Film ("Patty" walking at Bluff Creek). A photo of the physical Bigfoot Exhibition building in Oregon.A detailed, regional Pacific Northwest Bigfoot Sighting Map plotting verified encounters investigated by the center from May 1973 through May 1975.Reverse Side: Direct Peter Byrne Correspondence & Provenance. The back of the document serves as the mailer itself and contains a wealth of historical information:The Message: A typed form letter regarding a subscription to The Bigfoot News (BFN) newsletter. It references vintage pricing mechanics (back issues for $1.00, replacements for 50¢ plus 26¢ postage).The Book Promotion: A side column plugging the release of Peter Byrne's landmark book, The Search for BIGFOOT: Monster, Myth or Man?, retailing at the time for $8.95.The Authentication: Features Peter Byrne's typed name accompanied by his distinct, stylized red ink "PB" initial stamp used for official center sign-offs.Postal Provenance: Bears a clear, circular "THE DALLES, OR. JUL 31 1975" postmark, a vintage 13¢ "Proclaim Liberty" US postage stamp, and is addressed directly to a subscriber in Rochester, NY.Printer Details: Marked by Colortone Press Creative Graphics Inc. of Washington, D.C. This item is in excellent, well-preserved vintage condition for a 50-year-old paper document. The text is crisp and completely legible, the red "PB" stamp is bold, and the postmark remains distinct. It shows minor surface wear, natural paper toning, and expected light folding lines from its original mailing. Items directly from the short-lived Bigfoot Information Center carrying clear, postmarked provenance are the holy grail for cryptid historians. This is not a modern reproduction or a cheap copy—it is an authentic artifact from the hands of one of the "Four Pioneers" of modern cryptozoology.

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