Heritage Auctions: Space Exploration Signature Auction, 6326, Dallas

Rocket Mail: The First International Rocket Mail Service in the United States, a Set of Four Flown and Signed Covers, 1936.

Albert I: The First Primate Launched into Space, in a V-2 Rocket on June 11, 1948, Launch Cover.

Missile Mail: U.S. Navy Regulus II "Missile Mail" Experimental Flown Cover with Original Documentation, 1958.

Missile Mail: U.S. Navy Regulus II "Missile Mail" Unauthorized Experimental Flown Cover, One of Only Twelve, with Original Documentation, 1959.

X-15: Sperry Gyroscope "Inertial Climb Indicator", Original Flight Instrument from the X-15 Program.

Space Mail: USAF "First Mail from Outer Space" Cover Flown on Discovery XVII with Original Letter of Transmittal to NASA's First Administrator, 1960.

Vostok: General Nikolai Kamanin's Map for Vostok 3KA-1 Landing with Site Marked, Signed in Russian on Verso.

Vostok 1: Records File on the First Space Flight by the USSR Citizen Yuri Alexeyevitch Gagarin, Made on April 12, 1961, on Spaceship-Sputnik "Vostok," Signed by Yuri Gagarin.

Vostok 1 Commemorative Presentation Model.

Yuri Gagarin Signed Large Photograph Inscribed to General Nikolai Kamanin and Originally from Kamanin's Personal Collection, dated August 24, 1961.

Yuri Gagarin Autograph Postcard, Signed Twice, to General Nikolai Kamanin and Originally from Kamanin's Personal Collection, postmarked December 30, 1961, with Certificate of Authenticity from PSA/DNA.

General Nikolai Kamanin: Photo Album Presented to Him by the People of Orenburg, Signed by Yuri Gagarin dated June 1961, from Kamanin's Personal Collection.

General Nikolai Kamanin: Original Eight Page Handwritten Report on Yuri Gagarin's 1961 Visit to Cuba, Canada, and Brazil.

Vostok 2: Records File on the Space Flight by the USSR Citizen German Stepanovich Titov, Made On August 6-7, 1961, On Spaceship-Sputnik "Vostok-2," with the First Images of Earth from Space, Signed by Gherman Titov.

Vostok 2 Flown Food Tubes (Two) Originally from the Collection of Cosmonaut Gherman Titov.

Vostok 3: Records File on the Space Flight by the USSR Citizen Andriyan Grigoryevich Nikolayev In The "Vostok-3" Spaceship, August 11-15, 1962, Signed by Andriyan Nikolayev.

Vostok 3 & Vostok 4: Records File Document on the First in the World Group Space Flight by the USSR Citizens Andriyan Grigoryevich Nikolayev and Pavel Romanovich Popovich in the "Vostok-3" and "Vostok-4" Spaceships August 12-15, 1962, Signed by Nikolayev

Vostok 6: Records File on the First in the World Space Flight by USSR Woman-Citizen Valentina Vladimirovna Tereshkova In The "Vostok-6" Spaceship, June 16-19, 1963, Signed by Valentina Tereshkova.

Vostok Cosmonauts: Large Photo Posed at Lenin's Mausoleum, Signed by the USSR's First Six in Space, with Certificate of Authenticity from PSA/DNA.

Voskhod 1: Records File of the First Multi-Crew Space Flight in the World Aboard the Spacecraft-Satellite "Vostok" October 12--13, 1964, Signed by Komarov, Feoktistov, and Yegorov.

Voskhod 2: Records File of the First Flight in the World with the Exit of a Human into Outer Space on the Spacecraft-Satellite Voskhod-2, March 18--19, 1965, Signed by Belyayev and Leonov.

Alexei Leonov: Handwritten and Signed Report on the First Human Spacewalk aboard Voskhod 2, March 18--19, 1965 [with] Signed Printed Copy of a Similar Report.

Pavel Belyayev's Personal Pilot's Watch Worn on Historic Voskhod 2 Mission, with Note from His Widow Tatyana.

Soviet Awards and Certificates Archive as Presented to Kerim Kerimov, Early Soviet Space Pioneer, Long Classified.

Yuri Gagarin, Vladimir Komarov, and Three Other Cosmonauts as well as Two Military Heroes: Signatures on the Verso of a 1966-dated Central Committee of Communist Party-Issued Luncheon Invitation.