Numismatic Dictionary

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There are 4 names in this directory beginning with the letter J.
Janvier Reduction Lathe
A special reducing lathe is used to carve the hub during the die making process.

jeton
A token or coin-like medals produced in Europe from the 13th through the 17th centuries. They were produced as counters for use in calculation on a lined board similar to an abacus but found use as a substitute currency.

Judd patterns
A system to catalog U.S. pattern, experimental, and trial coins invented by Dr. J. Hewitt Judd in 1959.

junk box
Usually found at coin shows, these are boxes of coins that are of low grade or common coins that are of lesser value that dealers offer for sale at discount prices.

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