《明史·列传·卷二百零三》
七年朝廷让礼部给老挝军民宣慰使司铸印，因他们原有的印信全给叛贼焚烧了。
七年铸给老挝军民宣慰使司印，以皆为贼焚毁也。
In the seventh year, the court asked the Ministry of Rites to cast seals for Laos Junmin Xuanwei Envoy Office, because their original seals were all burned by the rebels.