Yong-le: Year 1, Month 7, Day 7
25 Jul 1403
Dao Man-sai and others, who had been sent by his uncle Dao Mu-dan, the native-official prefect of Meng-yang Prefecture in Yun-nan, came to Court and offered tribute of local products, and gold and silver utensils. Paper money, a biao-li of velvet brocade and patterned fine silks interwoven with gold thread were conferred upon them.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 10, page 396