Also consider that on top of money being different, most people weighed goods against the local currency because coins were the most standardized objects they had access to. So not only does the local currency change, but as a result, the system of weights and measures does too.
Also consider that on top of money being different, most people weighed goods against the local currency because coins were the most standardized objects they had access to. So not only does the local currency change, but as a result, the system of weights and measures does too.