Appealing ‘insurance type’ cover with a color cachet of the Apollo 17 mission insignia, postmarked on December 11, 1972, the lunar landing date of the LM Challenger, signed in black ink, “Gene Cernan” and “Ron Evans,” and in black felt tip, “H. H. Schmitt.” In very fine condition. Accompanied by a full letter of authenticity from Zarelli Space Authentication.
