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However, it too wears the dies when they are used for too long. An infamous example is the 1955 "poorman’s double die." This coin is sold as a replacement for the 1955 doubled die cent, but it is no more than Die Deterioration Doubling, caused by wear on the dies. When a coin is struck, the planchet is not heated. Although the planchet would ...
Doubled die (also known as hub doubling) is a term in numismatics used to refer to a duplication of design elements on a working die created due to a misalignment of the die or hub during the hubbing process. Strength of the doubling can vary from very slight and isolated to extreme and widespread.
A multiple strike, also referred to as a double exposure, occurs when the coin has additional images from being struck again, off center. The result is sometimes mistaken for being a "doubled die". On occasion, a coin will flip over between strikes so that the second image is that of the opposite side of the coin.
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A "1955 doubled die Denver mint penny" is a plot device in the American movie UHF; when R. J. Fletcher cruelly gives a penny to a beggar, the beggar realizes its value and uses the money earned from trading it in to save a local TV station that Fletcher was hoping to buy out. Although the Denver mint did produce some doubled die pennies in 1955 ...
A die rotation occurs when the dies become loose and they then turn. When a mint worker polishes a die to remove a die clash or some other defect there may be instances where a part of the design is removed. The 3-legged Buffalo nickel was the direct result of die polishing and the removal of a leg.
double strike A coin where a die is struck, bounced, and then struck again slightly offset from first strike (common on ancient and medieval coins where hubs were not used), resulting in a coin with a "doubled" image. doubled die A die that received two misaligned impressions from a hub; more commonly, a coin struck by such a die. [1] doubloon
A coin die (archaically spelt dye) is one of the two metallic pieces that are used to strike a coin, one per each side of the coin. A die contains an inverse version of the image to be struck on the coin.