WW2 BCATP Nationality shoulder Patch Insignia, CHILE

WW2 Nationality Shoulder Patch Insignia. CHILE, curved up very slightly, RED, thick stitching on black, traces of glue on back. 12mm high letters. I believe this to be authentic, WW2 period. It does not glow using a black light. Appears not worn. Worn by airmen from this country while training with the British Commonwealth Air Training Plan during WW2.
Control #WS11100