With the release of the serge uniforms in the autumn of 1941, most local authorities issued area marking badges with either the county, town or urban district on them. These were sewn below the CD badge on the right breast pocket.
The vast majority of these title were either oblong or curved to mirror the circular shape of the CD breast badge. There were sewn using the 'old gold' colour thread.The vast majority of the badges had a border but not every area did. Generally, the more common post-war Civil Defence Corps badges were the arched variety but without a border and in a more yellow thread.
News about interesting insignia, ARP related info and period photos that turn up.