This is a South African 50-cent coin, 100 cents = 1 rand, with the denomination "50c" and plants on the front, the national emblem of South Africa on the back, and the coin is made of copper. According to the current exchange rate: 1 South African rand =0.9385 RMB, then your 50-cent coin can be exchanged for 0.5 yuan RMB, but it is collectible. A brand-new postal currency trading market is probably worth RMB in 6 yuan.