US Army Air Force Pilot A-14 Oxygen Mask WWII

A-14 US Army Air Force regulation flying oxygen mask with ANB-M-C1 type microphone. Size MEDIUM. Dated 05/44. 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. Some wear around the nose clip. Standardized on July 1943 this mask was issued to Army Air Force, Navy and USMC pilots during WWII.