FPRC507 RAF Type B1 Roundels Mixed Vinyl Stickers
White Backed
Mixed  5mm  to 50mm
Water  Proof  Vinyl  Stickers

Mixed  pack

on 95 micron Vinyl
Pre Cut

On some aircraft March – December 1939.

Used on fuselage sides of some night-flying aircraft

bombers, e.g. night fighters,  late 1940 – mid-1942.

Often type B with additional yellow ring (proportions do not match Type A).