Although the incomplete American Olympic banknotes are beautifully designed, they also have shortcomings that cannot be ignored. Olympic banknotes adopted the most advanced anti-counterfeiting technology at that time. For the first time, a metal wire with a width of 5mm was used, which caused the banknotes to be naturally wavy. Some people speculate that it is for this reason that Olympic banknotes have not been issued with conjoined banknotes. Secondly, when printing Olympic banknotes, the technology of sizing and overprinting is not enough, which leads to many brand-new Olympic banknotes with obvious ink marks and yellow grass spots. These defects often lead to contradictions and differences in judging the quality of Olympic banknotes. ? Low-key Olympic coins? Compared with Olympic banknotes, Olympic commemorative coins are very low-key. Olympic coins have a face value of one yuan, a set of eight, and a circulation of * * *100000 sets, namely swimming, weightlifting, table tennis, archery, pommel horse, modern pentathlon, fencing and football. At present, the price of a set of Olympic commemorative coins is less than that of 200 yuan, which is very cost-effective. ? In 20 14 Winter Olympics in Sochi, Russia issued Winter Olympics banknotes, in 20 18 Winter Olympics in Pyeongchang, South Korea issued Winter Olympics banknotes, and in 2022 Winter Olympics in Zhangjiakou, Beijing, the central bank will probably issue Winter Olympics banknotes again! In this case, the current Olympic banknotes will definitely go up. 18, the central bank will also issue commemorative banknotes and deep-dive banknotes for the 70th anniversary of RMB issuance, which will undoubtedly arouse people's attention to the commemorative banknote market. As the king of commemorative banknotes, Olympic banknotes will surely usher in a wave of rise. You can find a suitable time to start some Olympic banknotes on dips in the following days.