It was my father who couldn't find the change in the Friendship Store at that time, and later gave it to me. I have kept it safe until now.

The full name of foreign exchange certificate is China Bank Foreign Exchange Certificate, commonly known as "foreign exchange certificate" and "foreign exchange certificate", which are legal tender in People's Republic of China (PRC) and originated in a specific historical period. The foreign exchange certificates were recovered from1April, 1980, and stopped to be used and recovered from1April, 1995, for a total of 15 years. At present, they have become popular varieties in the coin collection.

Foreign exchange certificates were issued by China Bank, the only specialized foreign exchange bank in China at that time, and were equivalent to RMB. It is mainly a RMB exchange certificate that can be circulated in China when overseas residents encounter sporadic expenses in China. Therefore, foreign exchange certificates are called "the second currency of China" by many people.

The tenth edition of foreign exchange volume * * * has issued seven denominations, including: 1, 5, 1 yuan, 5 yuan, 10, 50 yuan, 100, 1988 50 yuan, 100. In addition, a dime coupon is still very common.