WW2 era NB / BN CADET pin, Trophy Craft

WW2 era, small round, 12mm across, pin. Red enamel outer border with word CADETS in gold on it and centre, white enamel with triangle design with letters NB or BN, intertwined, on red enamel. Single screw post with nut. Trophy Craft maker marked. Not sure who or where this might have been used, nice pin.

Control #WS4676