The
second new general sheet is for USN 60 degree numbers in four sizes; 24,
12, 6 and 3 inches. These were used quite a bit for various USN codes and
serials so should find favor with those of you who want to customize your
next USN project. While mostly used on the light gull grey over white
scheme, they were also to be found on other light background markings such
as those used by drones and drone controllers of the 50s and 60s. 
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