ALAN SHEPARD(1923-1998) American astronaut, a member of the Mercury team and the first American in space. A pair of FDC's, the first commemorating the first successful orbital flight of John Glenn, boldly signed at top. The others honors the NASA "Earth to Moon" team, boldly signed by Shepard and additionally by GORDON COOPERand WALLY SHIRRA. Two pieces, fine. $100-150