First Day Issue Apollo Soyuz stamp dated 1975 and postmarked July 15, 1975 with an ALS, one page, 5 x 7.75. It reads, in part: “It was my pleasure to sign the enclosed material for you and unnecessary for you to enclose mementos for me. However, I do appreciate your kindness.” In fine condition, with scattered faint creasing. R&R COA.