Instead of changing it, it can be sold to the "yellow cattle" at the entrance of the mall. There are card collectors at the entrance of many shopping malls. But not the original price. As far as I know, there is a 20% discount. Other methods. . . Or you can discuss it with the person who buys things yourself. Of course, 1: 1 can't get the money. . . If you have to pull a face and beg others, you might as well sell it directly to the scalper.