Hello! This "Red 50" is the most valuable variety in the whole set of foreign exchange certificates (10). At present, the reference price of collectibles market is: brand-new and flawless at around 3200 yuan/piece; The old products flowing out are between 200- 1500 yuan/piece. According to the appearance in the picture (the ticket face is slightly dirty, the middle fold is deep, and the crown number is also an ordinary crown number), the value of this one is around 800 yuan.