Bundles of 100 copper mon coins strung with each other for advantage of both transportation and payment. Mon coins had been holed, making it possible for them to generally be strung alongside one another over a bit of string. During the Edo duration of Japan (1615-1868), stringed together coins https://financefeeds.com/mutuum-finance-mutm-the-best-altcoin-for-passive-income-and-long-term-growth/