The correct expression of the anti-counterfeiting features of ordinary commemorative coins celebrating the 40th anniversary of reform and opening-up is: the anti-counterfeiting features of the People's Bank of China logo: on the front of the commemorative coin, that is, the lower left of the central flower pattern, the China People's Bank logo adopts holographic bronzing technology, and the portrait and the moon can present different patterns and colors, which has obvious three-dimensional effect and dynamic change effect. Anti-counterfeiting features of commemorative coin name and face value: The anti-counterfeiting technology of miniature characters is adopted on the engraving line at the bottom of commemorative coin. Under the mirror of 15X, we can observe the miniature characters of "Forty Years of Reform and Opening-up" and "One Round", which are very small and difficult to imitate. Anti-counterfeiting features of coding: At the edge of the commemorative coin, a unique inspection code is printed by using multi-layer copper plating, nickel plating and silver plating processes, and people can judge its authenticity according to this code.