What is (a) A piece or part which passes over the head, as in a bridle. (b) A coin [In sense (b) properly crown piece.] See Crown, 19 called?

crownpiece — (a) A piece or part which passes over the head, as in a bridle. (b) A coin [In sense (b) properly crown piece.] See Crown, 19. (Webster's 1913.)

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