A graphite pencil “X” made with a flown silver pencil carried on board the Apollo 15 mission. Mark is made on a 3.5 x 2 card, which reads, in part: “The affixed letter X…was made with a Silver Pencil (Serial Number SEB 12100081-301 S/N 1019), utilizing the original graphite that was carried on board the Apollo 15 Mission.” In fine condition. Accompanied by a photocopied letter of authenticity from LMP Jim Irwin and the High Flight Foundation stating that the pencil was carried to the moon.
