《元史·本纪·卷六》
夏季，四月十九日，赐给诸侯王合必赤、亦怯烈金币、银币各四枚，赐给拜行金币一枚。
夏四月戊午，赐诸王合必赤、亦怯烈金、素币各四，拜行金币一。
In the summer, on the 19th of the 4th month, the emperor bestowed four gold and silver coins each on the vassal kings He Bix赤 and Yi Qilie, and one gold coin on Baixing.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 夏四月戊午，赐诸王合必赤、亦怯烈金、素币各四，拜行金币一。 [/INST] In the summer, on the 19th of the 4th month, the emperor bestowed four gold and silver coins each on the vassal kings He Bix赤 and Yi Qilie, and one gold coin on Baixing.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 夏四月戊午，赐诸王合必赤、亦怯烈金、素币各四，拜行金币一。
user
In the summer, on the 19th of the 4th month, the emperor bestowed four gold and silver coins each on the vassal kings He Bix赤 and Yi Qilie, and one gold coin on Baixing.
assistant