Nate D. Sanders Entertainment, Sports and Presidential Auction Ending July 31st at 5pm Pacific.

Neil Armstrong signed 7.5'' x 9.5'' photo bearing his autograph inscription. The first man to walk on the moon inscribes his spacesu...

Neil Armstrong typed letter signed, dated 23 March 1970, on NASA letterhead. Letter to Edward E. Hannigan of the School of Modern Photography reads in

Neil Armstrong signed ''Enshrinee Album,'' published by the National Aviation Hall of Fame: Dayton, OH: 1984. Armstrong inscribes th...

Neil Armstrong photo signed. NASA publicity photo of the astronaut in his space suit is inscribed, ''To William Bisch / Best Wishes / Neil A...

Roger Chaffee's original NASA acceptance letter on official NASA Manned Spacecraft Center letterhead, dated 16 October 1963 from Houston, Texas....

Jack Swigert personally owned Michael Collins signed and inscribed official NASA photo, stamp-dated 10 September 1964 to verso. Photo depicts Collins

Ron Evans photo signed. The Apollo 17 astronaut inscribes his spacesuit in blue ink, ''To / Richard / Best / Wishes / Ron Evans / Apollo XVI...

Three Gemini 5 crew-signed photos, with 48 signatures in total. Each photo depicts separate mission control teams (each operating on an 8-hour shift),

Gemini 6 Fliteline flown gold plated sterling silver medallion. 100 medallions were flown, 90 in silver and 10 gold-plated. As one of the 10 gold-plat

Space flown Gemini 10 Fliteline medallion, personally owned by Jack Swigert. Silver tone metal coin features mission insignia with the names of Young

Gus Grissom autograph letter signed ''Virgil'', written to his mother as an Air Force cadet. Dated 11 October 1950, letter is penned...

Neil Armstrong and eight of his fellow Group 2 members sign the mount of a photo that has been removed. These are the second round of men selected to

Photo of NASA's original Mercury 7 astronauts, signed by all 7. Black and white photo of the astronauts in civilian blazers interacting with a m...

The signatures of all Mercury 7 astronauts upon a single card. Card is signed, ''John A. Glenn, Jr.'', ''Virgil I. Grissom&#...

Mercury 7 signed photo. NASA's original 7-member crew poses here with a Mercury Atlas model at the Langley Research Center for a photo shoot in ...

Apollo 14 launch photo display signed by Alan Shepard. Signed and inscribed to the mat along the bottom edge of the photo in black ink, ''To...

Skylab 1 (SL-2) Robbins Medal flown, serial number 18, as one of only 50 flown and 300 minted. As the first of the post-Apollo missions, lasting 25 Ma

Skylab II Robbins medal flown, serial number 39. Skylab II launched 28 July 1973 and returned 25 September. Sterling silver medal bears the mission in

Skylab 3 (SL-4) flown Robbins medal, serial number 46F as one of only 70 flown and 190 minted. A feat of a mission as crewmembers Ed Gibson, Gerald Ca

Skylab III Robbins medal personally owned by Jack Swigert. Sterling silver medal, serial number 178, is one of just 190 minted. This is an unflown exa