Matrix (numismatics)
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In [[numismatics]], a '''matrix''' is an intermediate used in the process of manufacturing [[coin]]s.
A matrix has its design in the same sense as a [[Die (manufacturing)|die]]. The design is engraved convex into the matrix, which is used to create [[punch (numismatics)|punches]]. The matrix step was developed in the 17th century for two main reasons. The original design in the matrix could be better preserved, as a single matrix could be used to make several punches. Second, it made easier the addition of secondary details such as the legend, a difficult task on a punch, which is in [[cameo]].
[[Category:Numismatics]]
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