Lot of two commemorative covers, 6.5 x 3.75, one bearing a Project Mercury Sigma 7 stamped cachet, signed in black ink “M. Scott Carpenter,” and one signed in blue ballpoint, “Walter M. Schirra, Jr.” In fine condition, with small typed or stamped addresses to both covers, one having light haloing. COA Scott Cornish and R&R COA.
