Cover with U.S. Scott 2277, the (25) cent E stamp picturing the Earth with a U.S.S. Jack Williams post mark of July 25, 1988. The cover also has a Jacksonville, Florida duplex cancel. There is a cachet picturing the Persian Gulf and a handstamp saying "SHIPBOARD POST OFFICE", "U.S. Mail", "USN SINCE 1908", and "NAVAL POSTAL CLERKS MAKE IT WORK".