《资治通鉴·唐纪·唐纪五十九》
一次，裴度在中书门下办公时，左右官吏忽然报告说，中书门下的大印丢失了。
度在中书，左右忽白失印。
During the time when Pei Du was working in the Office of Imperial Secretaries, some subordinate officials suddenly reported that the official seal had been lost.