Bundles of 100 copper mon coins strung collectively for advantage of both of those transportation and payment. Mon coins were holed, letting them to be strung collectively with a piece of string. Inside the Edo period of Japan (1615-1868), stringed jointly coins gained a small price reduction when presented https://financefeeds.com/dogecoin-price-down-25-in-feb-traders-switch-to-rollblock-igniting-a-400-price-rise/