Numismatic Dictionary

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There are 10 names in this directory beginning with the letter U.
ultra high relief
Alternate name for the extremely high relief.

General term that refers to a coin that shows no signs of circulation or wear.

uncut sheet
A sheet of currency notes that were not cut by the printer. The Bureau of Engraving and Printing sells uncut sheets as souvenirs.

The practice of assigning a coins grade a value below what it truly deserves. An inexperienced grader or a deliberate act to deceive sellers can cause coins to be under-graded coins. See also grade.

United State Mint
The bureau under the Department of the Treasury that is responsible for striking the United States coins and medals. The U.S. Mint is the largest mint by production (number of coins) and value of coinage produced.

United States Notes
First currency authorized by the Legal Tender Act of 1862 and the first notes printed by the National Currency Bureau backed by a bank’s assets.

United States Secret Service
The agency under the Department of Homeland Security that is responsible for protecting United States currency from counterfeiting. A branch of the U.S. Secret Service provides protection to the president, vice president, their families, and other national officials.

Universal Rarity Scale
A 10-point scale that measures degree of rarity where the higher number corresponds to increased rarity.

The process of narrowing the diameter of the coin slightly in order to create a rim around the edge.

upsetting mill
The machine used to upset a coin.

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