This is 1928 (seventeen years of the Republic of China), the local version of the national currency certificate issued by the central bank, with a denomination of 1 yuan. On the left side of the back of the banknote is the head of Dr. Sun Yat-sen printed by the American banknote company.
This paper money of the Republic of China is now invalid and cannot be exchanged. But it is collectible. At present, in the coin collection market, each brand-new value is around 80 yuan; Generally, each picture is worth about 20-30 yuan.