Hong-wu: Year 20, Month 7, Day 9
22 Aug 1387
The Che-li Military and Civilian Pacification Superintendent Dao Kan and others presented elephants and local products. It was Imperially commanded that 44 bolts of patterned fine silks and other silks interwoven with gold thread and 330 ding of paper money be conferred upon them.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 6, page 2756