Huge Highway Post Office Collection in 7 Lindner Albums - Impressive, organized collection of 250+ Highway Post Office covers and related materials. Organized by route and beautifully presented in Lindner albums and pages. Includes a detailed checklist, reference materials, articles, photos, trip folders and more. Also includes albums with 90 Butterfield Overland Centennial Mail Caravan covers and 123 HPO Exhibits, Fairs, and Special Event covers, plus related reference items. An interesting collecting area that is ready for completion. VF overall, binders in like-new condition. (shipping wt 52#)(Est $400-500) (Image)

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USA Airmail Cover Lot, Many Signed - Several dozen covers, #6 and #10 sized, from the 1930-40 era. First flights, events, and commercial. About 20 are signed by Lytle S. Adams (1881-1970) who was a dentist who, in 1927, invented and patented a way for airplanes to pick up and drop mail without landing as well as the inventor of the “Bat Bomb”. Some other covers are postmaster signed. Generally F-VF. (Est $200-300) (Image)

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USA Cover Lot in a Banker Box - Many 100’s somewhat sorted by timeframe in bundles from late 19th century to mid-20th century, with a few more modern. Spotted advertising, registered, few foreign destinations, events, airmails, postal stationery (old and new), and more. Some mixed condition, take a look! (Est $200-400) (Image)

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