Commemorative 'recovery day' cover issued by the Lyndon B. Johnson Space Center Stamp Club, featuring a color cachet of the Skylab 3 mission insignia, postmarked in Houston, Texas, on September 25, 1973, signed in blue or black ink by Alan Bean, Owen Garriott, and Jack Lousma. In fine condition. Accompanied by a full letter of authenticity from Zarelli Space Authentication.