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Die erosion

Numismatic Die cracksDie flow lines

Die erosion - Wear on a die caused by use in the minting process.
Die line - Raised lines, which appear on a coin as a result of polish lines on the die.

 


Die Erosion - Wear on a die from use in the minting process.
Die Polish - Small raised lines in the field of a coin resulting from polishing of a die to remove chips, clash marks, etc. ...

die erosion
Nornal wear on a die from its use in the minting process.
die state
The condition of a die at a specific time in its life.

Die Erosion - Wear on a die from use in the minting process.
Die Flow Lines - see flow lines.
Die State - The condition of a die at a particular point in its life.

Die erosion is most noticeable to the left of the large 5's ball. (Courtesy of Norm Talbert)
1868 (Rev. of 1867) ...

Die deterioration doubling is the result of die wear or premature die erosion due to a variety of possible causes including improper heat treat, etc.

Very light die erosion is visible just inside the obverse border. The reverse also has noticeable clash marks and a few light die lines through OF A.

die crack A narrow fissure in the surface of a die; coins struck with such a die have a narrow raised line corresponding to the crack die erosion Wear on a die from use in the minting process die flow lines see flow lines die state ...

See also: Numismatic, Variety, Strike, Coin, Struck

Numismatic Die cracksDie flow lines

 
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