Xuan-de: Year 3, Month 5, Day 6
18 Jun 1428
Paper money, biao-li of variegated silks, silk gauzes, clothing made from silk interwoven with gold thread, and other products, as appropriate, were conferred upon the envoy Nai Gou and others, a total of 45 persons from the country of Siam and... In addition, headwear and belts were conferred upon Nai Gou and others, a total of seven persons. It was further ordered that Nai Gou carry Imperial orders, variegated silks and silk gauzes to confer, on his return home, upon the king of the country of Siam and his consort.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 18, page 1045/46