When the consumption reaches a certain level, the clerk can give you a membership discount card. If you get a genuine Samma discount card, it can be used all over the country, and the serial number of this card will be on the genuine discount card! There are many grades of cards. Of course, the level depends on how much you spend. The lowest card seems to be 10% off! As for distinguishing the true from the false, it is a matter of experience. Some fakes are almost identical to the real goods, but careful observation and comparison will always reveal clues, such as fabrics, printing size of patterns, trademark typesetting, buttons, sewing uniformity and so on. And there are many details! If you are afraid of encountering fakes, you'd better go to Mason's flagship store to buy them, so there will be almost no fakes! Try to avoid buying online and in other stores. If you buy it, there is a great chance that it is fake! I hope my answer is helpful to you. If you are satisfied, please accept my answer!