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mint set

noun
plural mint sets

Definition of mint set 

: a group of uncirculated coins containing one each of several denominations issued by a country usually in a particular year A 1960 U.S. mint set might contain a Franklin half dollar, a Washington quarter, a Roosevelt dime, a Jefferson nickel, and a Lincoln penny from the Philadelphia Mint and one each from the Denver Mint.

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First Known Use of mint set

1951, in the meaning defined above

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The first known use of mint set was in 1951

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