6215

Flown Experimental Aircraft Covers Group of (2)

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:200.00 - 400.00 USD
Flown Experimental Aircraft Covers Group of (2)

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Auction Date:2018 Dec 13 @ 18:00 (UTC-5 : EST/CDT)
Location:236 Commercial St., Suite 100, Boston, Massachusetts, 02109, United States
ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed
Two flown covers carried on experimental aircraft, both with stamped cachets filled out with information on the flights, signed by the respective pilots. Includes: one cover flown on board Lockheed Jet VTOL XV-4A 'Hummingbird' at Dobbins AFB for hover tests on June 24, 1963; and one cover flown on board X-22A V/STOL at Niagara Falls for a 25 minute flight at 4000 feet on August 24, 1967. In overall fine condition, with subtle toning to the 'Hummingbird' cover.