The coins were made of copper and circulated as a value of 1 mon (a unit name and value of small money at the time); however, in Japan one Eiraku-tsuho coin was valued at 4 mons of Bitasen (low quality coins with surfaces worn away) from the Tensho years.
材質は銅製、貨幣価値は1文として通用したが、日本では天正年間より永楽通宝1枚が鐚銭4文分と等価とされた。