8th /9th US Army Air Force modified A-14 oxygen mask. A-14 oxygen mask is a MEDIUM size dated 12/44. Complete with T-44 microphone, JK-26 jack and bell type plug which can be used with Royal Air Force aircrafts radio systems. Perfect condition. Rubber is pliable, without any cracks. Strong rubber harness. Flying helmet and goggles aren't included. Scarce item, especially in this kind of condition.