"Gorget patches (collar tabs, collar patches) are an insignia, paired patches of cloth or metal on the collar (gorget) of the uniform, that is used in the military and civil service in some countries. Collar tabs sign the military rank (group of ranks), the rank of civil service, the military unit, the office (department) or the branch of the armed forces and the arm of service." - (en.wikipedia.org 03.04.2021)
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