Flown inlet ‘flap’ valve strip from the Klappenregister of an Argus pulse jet that was part of a propulsion unit of a V-1 flying bomb. Shutter type valve measures 4.5 long by 1.5 wide and was excavated at Peenemunde in the summer of 2006. Valve is shadowboxed against an informational background and framed to an overall size of 8.25 x 9.75. RRAuction COA.