As the abbreviation of "exchange certificate of Customs Gold Unit", it is the unit of calculation of Chinese customs in the period of Kuomintang. At the beginning of the issuance of the certificate, the bust of Dr. Sun Yat-sen was on the front, with the names of the places and the words "pay as you go" printed on it. The back of the certificate was the Shanghai customs building, all of which were straight type. In 1929, the world silver price fell sharply, which affected the customs revenue. Although the continuous decline of silver price is conducive to the development of China's foreign trade, it increases the burden on the repayment of foreign debts. In January 1930, the government decided to collect gold coins, which were calculated based on the unit of 0.601866 grams of pure gold, known as "Customs Gold Unit", equivalent to US $0.40; in 1930, the central bank entrusted the US banknote company to print the customs money exchange voucher; in May 1931, the central bank officially issued the customs money voucher as the purpose of paying customs duties.
[name] ：customs certificate