Spare rubber O-ring for the Command Service Module, approximately 4.25″ in diameter, affixed to a 7.75 x 5.75 cardstock display (incorrectly identifying it as a Saturn V rocket part). Affixed to the reverse is the original packing label, which identifies the part as “O-Ring, Parker,” with a packing date of April 1968. In fine condition. RR Auction COA.
