Numismatic Dictionary

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There are 3 names in this directory containing the search term key date. Clear results.
key date
A key date coin is one that is more difficult to obtain than others in the series. A key date may include all coins from a single year or just one date and mintmark combination.

semi-common
A coin that is considered neither common, nor scarce. See also semi-key date.

semi-key date
A coin that is scarcer than the average specimen but easier to find than a key date coin. See also key date.

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