This is a First Day Issue Envelope and Stamps for the Airlift Military Parcel Stamp. The envelope measures 3.625" high by 6.5" wide and has four PAL Airlift Military Parcel stamps which have been postmarked Seattle Apr. 4 1968 WA. The left side of the envelope shows a package below a globe, which is being circled by a plane and a helicopter. The four stamps come from the lower left-hand corner of plate block 29763. Both the envelope and the stamp say "First Day of Issue." This First Day Issue Envelope and Stamps for the Airlift Military Parcel Stamp is in excellent condition.