"A national coat of arms is a symbol which denotes an independent state in the form of a heraldic achievement. While a national flag is usually ...
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used by the population at large and is flown outside and on ships, a national coat of arms is normally considered a symbol of the government or (especially in monarchies) the head of state personally and tends to be used in print, on heraldic china, and as a wall decoration in official buildings. The royal arms of a monarchy, which may be identical to the national arms, are sometimes described as arms of dominion or arms of sovereignty.
An important use for national coats of arms is as the main symbol on the covers of passports, the document used internationally to prove the citizenship of a person. Another use for national coats of arms is as a symbol on coins of the associated state for general circulation." - (en.wikipedia.org 29.01.2022)
