A-14 US Army Air Force regulation flying oxygen mask with ANB-M-C1 type microphone. Size LARGE. Dated 09/44. Made by OHIO CHEMICAL Co. Very good condition, pliable with strong rubber fastening harness. Microphone type ANB-M-C1 with cable and PL-291 jack. Standardized on July 1943 this mask was issued to Army Air Force, Navy and USMC pilots during WWII. Helmet, goggles and display bust aren't included.