9-Three errors 1 - Non-Centerpiece currency with the observation that the central hole is smaller than the central piece. 2 - Wrong installation...
8-Several degrees of deviations
7-A unique piece with high degree of deviation
6-Varying of he thickness of the exterior ring and larger diameter piece
5-Shift in the center of the piece
4-Shift in the central foramen
3-Decrease in coin's weight
2-Increase in metal component
Many error categories you can see in this collection 1-Lack in die
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