Quote:
Originally Posted by fernando
... the slug was placed on the die, which had one of the coin patterns chiseled (high releaf) and the other pattern was engraved in a punch which was struck with a small sledgehammer. ..
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Although in the case of Karshapanas another ancient method has to be considered: the so called punch coins. In such case the patterns were no proturding from the coin face but instead punched in.