But with the arrival of the Winter Olympics, its price has soared. Two days ago, I saw that the transaction price of stamp WeChat group was still around 7 yuan. Just yesterday, the prices of major trading platforms soared overnight. Some sell a set from 36 yuan, 26 yuan, and the full-page price is also sold to the version near 300 yuan. Generally, the purchase price of a single set of stamps is between 18 yuan and a 20 yuan, and the purchase price of a full page is around 200 yuan.