WW2 RCAF RESERVE Members Pin. BIRKS marked.

RCAF, WW2, RESERVE, members pin. Silver/white metal, Kings Crown over Flying Eagle with words. R.C.A.F. RESERVE on circle banner, screw post fastener with nut. This is the "small" size, 23.88mm high by 23.70mm wide. On back word BIRKS.
Control #WS14471