Sheffield Relay Station 6FL BBC Radio Circle members badge

A scarce original pre-1932 'Sheffield Relay Station 6FL Radio Circle gilded brass and enamel badge' bearing the 'Arms of Sheffield', the reverse with maker's details "W.Miller 118 Branston St. B'Ham". Good condition, retaining original pin fittings, enamel with chips lower left.
Diameter 23mm.

Sheffield relay station 6FL' first began broadcasting on 16 November 1923, it closed down in 1932.