Hong-wu: Year 23, Month 4, Day 11
26 Apr 1390
The minister Si-li Tan-la-er-si-di and others who had been sent by the country of Siam (Hu), presented a memorial and offered as tribute sapan-wood, pepper, laka-wood and other products, weighing a total of 171,880 jin. It was Imperially commanded that patterned fine silks, clothing and paper money, as appropriate, be conferred upon the envoys.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 7, page 3008