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<p>[QUOTE=&quot;red_spork, post: 2706731, member: 74282&quot;]There&#039;s no one single answer to this question as there were many different methods and one could write 1,000 pages on the subject and still not have the full picture. During the Roman Republic for instance, silver coins seem to have been measured &quot;Al marco&quot; - essentially X pounds of bullion = Y coins. Individual coin weights were less important than batch weights. They attempted to make all coins be a similar weight by making similar sized impressions in the molds the blanks were cast in but severely overweight and underweight coins do exist.</p><p><br /></p><p>They also had a process for adjusting the size of a batch that was overweight where they gouged individual coins to remove some silver and lessen the weight of the batch and there&#039;s a paper out there on the process by Clive Stannard if you are interested in learning more.[/QUOTE]</p><p><br /></p>

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