Postal currency cards refer to postal and currency collections such as stamps, commemorative coins and currencies. Article 138 of China's Civil Code stipulates that collectibles refer to cultural relics, calligraphy and painting, philatelic products, coins, commemorative medals, plaques, porcelain, jade, jewelry, utensils, furniture and other movable property with collection value. As a collection, postal currency cards have legal status.

The sales of postal currency cards need to comply with relevant laws and regulations. According to the provisions of People's Republic of China (PRC) Postal Law and People's Republic of China (PRC) Monetary Law, collectibles in postal and monetary fields can be traded and sold.