Apollo 17 launch date commemorative postal cover, 6.5 x 3.5, signed in black felt tip by all three astronauts: Ron Evans, Gene Cernan, and Harrison Schmitt. Cover is attached by corner tabs to an 8.5 x 11 presentation sheet. Subtle haloing to Schmitt’s signature, otherwise fine, clean condition. COA Scott Cornish and RRAuction COA.