1, with the serial number of 17- 19, the 10th anniversary commemorative coin of the national voluntary tree planting campaign, with the issue date of1991.3.2; Commemorative coinNo. 20-22, the seventieth anniversary of the founding of China * * *, and the issue date1991.6.18; ; 2006 Zodiac (Dog) Commemorative Coin No.5, with the date of issue of 2006.1.6; Commemorative coin No.76 of the 29th Olympic Games (weightlifting) issued on September 20th, 2006; Commemorative coin No.77 of the 29th Olympic Games (swimming), issued on.11.28, 2006; 2007 Zodiac (Pig) Commemorative Coin No.80, issued on February 20071; The 29th Olympic Games (Gymnastics) Commemorative Coin No.8 1 issued on June 20th, 2007;

2.2008 Zodiac (Rat) Commemorative Coin No.84, with the date of issue of 2008.1.16; Commemorative coin No.85 of the 29th Olympic Games (Football), issued on June 18, 2008; Commemorative coin with the number 1 10, Lunar New Year (Dog) 20 18, and the issue date is 2018.02.02; China high-speed rail commemorative coin with the number11was issued on 20 18.09.03; Commemorative coin celebrating the 40th anniversary of reform and opening-up, numbered 1 12, and issued on 2018.12.28; Commemorative coin with the serial number 1 13, Lunar New Year (Pig) 20 19, and the issue date is 2019.05438+0.25; Commemorative coin for the 70th anniversary of the founding of People's Republic of China (PRC), numbered 1 14, and issued on 2019.09.19;

3. The world cultural and natural heritage-Taishan Commemorative Coin,No. 1 15, issue date 2019.1.28; Commemorative coin with the number 1 16, Lunar New Year (Rat) in 2020, and the issue date is 2020.438+0.17; The commemorative coin of Wuyi Mountain, the world cultural and natural heritage with the number 1 17, was issued on 2020.12.21; Commemorative coin with the serial number118,202 1 New Year's Eve (ox), with the issue date of 2021.01.29; Commemorative coin with the number 1 19, celebrating the founding of People's Republic of China (PRC)100th anniversary * *, and the issue date is 202 1.09. 15; Commemorative coins for the 24th Winter Olympics,No. 120- 12 1, and the issue date is 202 1. 10.26.

1. Commemorative coins are legal tender issued by a country to commemorate major international or domestic political, historical and cultural events, outstanding figures, places of interest, rare animals and plants, sports events, etc. They include ordinary commemorative coins and precious metal commemorative coins. General or refined quality, limited distribution.

2. Ordinary commemorative coins can be circulated, but precious metal commemorative coins cannot be circulated. Chinese commemorative coins are legal tender designed and manufactured by China Banknote Printing and Minting Corporation and issued by China People's Bank. Commemorative coins are usually issued to commemorate major political and historical events, traditional culture and other events of special significance in China. Ordinary commemorative coins have the same function as the RMB currently in circulation, which is equivalent to the RMB with the same denomination.