A radio 3 MKII (B2) of the British Special Operation Executive (SOE), from the Second World War. Consisting of two components: the sender (1944) and receiver (Model 3 / II, missing one knob). The miniature Morse key was probably on the cover of spares box, the power supply unit is also absent. Three quartz plate 1943 (for frequency regulation, stamped AM for Air Ministry), one crystal unit D C–11–E grade C (stamped AM and US Signal Corps), four oscillating coils L2 A / B for frequency change, headphones SGB CLR and civilian case are included. Completeness and functionality not tested. Widely used postwar, a few enhancements, some cables and screws missing. This set, developed by Major John Brown, was used during the Second World War by resistance fighters and British agents,