stress lines
Alternate form of "flow lines."
striations
Term for the incuse polish lines on the die which result in raised lines on coins.
metal stress lines Radial lines, sometimes visible, that result when the metal flows outward from the center of the planchet during the minting process. See also flow lines.
Metal stress lines - Radial lines, sometimes visible, caused by metal flowing outward from the center of the planchet during the minting process.
Micro - Very small or microscopic.
Metal Stress Lines - See "Flow Lines."
Milled Coin - By contrast with a hammered coin, a piece produced by pressure indirectly rather than directly applied, and the edge of which has been rolled or upset.
 See also: Circulated, Struck, Variety, Quarter, Uncirculated
  
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