《旧唐书·本纪·卷十五》
四月初四，因为钱的价值重，物的价值轻，从内库拨出缗钱五十万贯，令两处常平仓收购布帛，每段匹在旧价的基础上加价十分之一。
丙戌，以钱重货轻，出库钱五十万贯，令两常平仓收市布帛，每段匹于旧估加十之一。
On April 4, because the value of money was high and the value of goods was low, 500,000 guan was allocated from the imperial treasury to order the two Changping warehouses to purchase cloth and silk, and the price per piece was increased by one-tenth of the original price.