Hongwu Tongbao
The Hongwu Tongbao (simplified Chinese: 洪武通宝; traditional Chinese: 洪武通寶; pinyin: Hóngwǔ tōng bǎo; lit. 'vastly martial circulating treasure' Japanese: Kōbu Tsūhō) was the first cash coin to bear the reign name of a reigning Ming dynasty Emperor bearing the reign title of the Hongwu Emperor.