James Irwin carried only six of these covers to the lunar surface, one for each member of his family, this being number 1 of 6. The cover has a cachet of the crew emblem, two astronauts on the lunar rover, and a green three leaf clover. SIGNED AND INSCRIBED BY JIM IRWIN with: "Carried to the Moon, Jim Irwin". [With:] Typed letter signed from Mrs. James Irwin. (2)" /> FLOWN Apollo 15 Shamrock Postal Cover. <I>Approx. 3.5 x 6.5 in. with no postmark and hand labeled "1".</I> James Irwin carried only six of these covers to the lunar surface, one for each member of his family, this being number 1 of 6. The cover has a cachet of the crew emblem, two astronauts on the lunar rover, and a green three leaf clover. SIGNED AND INSCRIBED BY JIM IRWIN with: "Carried to the Moon, Jim Irwin". [With:] Typed letter signed from Mrs. James Irwin. (2) | Christie's