MOON BOUNCE POSTAL COVER SIGNED BY JAMES TREXLER

Washington D. C.: Naval Research Laboratory, 1974. Postal cover honoring the 20th anniversary of the July 24, 1954 successful test of the "Moon-Bounce" technology that was to become the basis for future satellite communication. The postal cover is boldly SIGNED, "James Trexler" by the scientist who had first come up with the idea 9 years earlier.and was largely responsible for the successful test at the Naval Research Laboratory in Stumpy Neck, Maryland. The cover is postmarked July 24, 1974 at the Smithsonian Station Post Office. Provenance: from the collection of Lee Saegesser, Chief Archivist from 1967 until 1997 in the Washington, DC NASA Headquarters History Office. Certificate of Authenticity available if desired. The autograph is bright and unfaded; the postal cover is clean and bright.. SIGNED. First Edition. Paper. Collectible-Fine. 3 5/8" by 6 1/2". Manuscript.