
Details:
Clarence “Kelly” Johnson autographed Commemorative Cover commemorating the SR-71 Blackbird’s record-breaking speed and altitude achievements. The cover features an illustration of the SR-71 along with text noting its world speed and altitude records, supported by NASA-recorded data. Postmarked at Edwards Air Force Base on July 27, 1976, the cover ties directly to the Blackbird’s historic test program. Johnson’s signature appears across the center.
Fine condition.
Clarence “Kelly” Johnson (1910–1990) was one of the most influential aerospace engineers in history and the driving force behind Lockheed’s legendary Skunk Works. Over his career, he led the design and development of some of the most advanced aircraft ever built, including the P-38 Lightning, U-2 Dragon Lady, A-12, and SR-71 Blackbird. Known for his uncompromising standards and innovative management style, Johnson’s work pushed the boundaries of speed, altitude, and stealth, shaping modern military aviation. His legacy remains central to the history of American aerospace innovation.
Authentication:
Includes a full letter of authenticity from JG Autographs, Inc.
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Reference sku: 11519 1414400-1






























