Prime recovery ship commemorative cover , 6.5 x 3.75, bearing a cachet honoring the Navy recovery force and a 1968 U. S. S. Yorktown postmark, signed on the front in ballpoint by James Lovell and in black felt tip by Frank Borman. Cover is also signed by three fleet officers. Cover is attached by corner tabs to an 8.5 x 11 presentation sheet. In very fine condition. COA Scott Cornish and R&R COA.