badge wiki:
e is a device, patch, or accoutrement which is presented or displayed to annote some feat of service, a special accomplishment, as a symbol of authority (ex: police), or as a simple means of identification. They are also used in advertising and publicity. Badges have become highly collectable: in the UK, for example, the Badge Collectors' Circle has been going since 1980 [1].In the military, badges are often used to denote qualifications received through military training. Similarly, scouting organizations use them to show group membership and rank.
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