broadstrike

noun

broad·​strike ˈbrȯd-ˌstrīk 

plural broadstrikes

: an error occurring during the minting of a coin when the die collar (see collar entry 1 sense 2g) is loose or improperly positioned

also : a coin having such an error

… both sides bore characteristics of a broadstrike with the rim spread abnormally from the design.

—New York Times, 26 Oct. 1980

Word History

First Known Use

1980, in the meaning defined above

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