《资治通鉴·唐纪·唐纪三十七》
戊辰，肃宗又命令绛州铸造乾元重宝大钱，并在背部的外郭加上重轮，以一钱当五十钱用。当时在京城的百官因为战乱不断，都没有俸禄，这时用新铸的乾元重宝大钱支给他们的冬季俸禄。
戊辰，更令绛州铸乾元重宝大钱，加以重轮，一当五十；在京百官，先以军旅毕无俸禄，宜以新钱给其冬料。
On Wuchen, Emperor Suzong ordered Jiangzhou to cast a large coin named Qian Yuan Zhongbao, and added a heavy wheel on the back of the outer ring, and its value was equivalent to fifty coins. At that time, because of the continuous war, there were no salaries for the officials in the capital. At this time, the newly cast Qian Yuan Zhongbao large coin was used to pay their winter salaries.