Stores Ref. 10A/7063. Pair of receivers, or to be precise, 'Receivers, telephone, head, type C' as used with the Type B flying helmet and Type D oxygen mask. Maunufactured in plastic/bakelite moulded over a steel shell with a separate screw on bakelite cover. Relatively minor surface scratching to main casings. One screw on cover has a small crack radiating from the sound hole and the side of the receiver (see photo). Very clean internally. One marked with Feb. '42 date in white paint. Slight mismatch in shape. Remarkably difficult to find now. Good '+' used condition overall. Stock code H17547..