FPRC504 RAF Type A1 Roundels Mixed Vinyl Stickers
Mixed 5mm to 50mm
Water Proof Vinyl Stickers
on 95 micron Vinyl
On all camouflaged surfaces 1937 TO March 1939
Supermarine Spitfire on fuselage sides 1939 to replacement by type C1, July 1942.
On some night bombers the white was overpainted with black to reduce visibility.
Also used with bright pre-war colours, especially on trainers.