A United States Navy Mark IV pressure suit with associated helmet, complete with shoulder flashes and breast badge, the leggings with over shoes, the arms with leather padded gloves, the suit fitted with altitude gauge, straps, zips and all fasteners, the helmet with built in microphone, earphones, intercom and oxygen lead, fully marked with U.S. Navy specification label and applied with a label inscribed MAJ.J.GLENN; and a collection of NASA colour publicity photographs and associated NASA correspondence