看磁性:假卡背面无棕色磁性涂料,卡背无磁性,相互间没有吸力感。看版次:有的电话磁卡有初版和2版、3版之分,版别之间会有一些极细小的区别,应多掌握这些极细小的区别特征。观厚薄:假卡卡质较薄,无真卡厚实感。看暗记:暗记是电话磁卡设计者特意制作的防伪标记,可借助放大镜以真 See magnetic: no card on the back of fake magnetic magnetic coating, card back non-magnetic, no sense of mutual suction. Look at the version: Some phone cards have the first edition and 2 edition, 3 edition of the points, there will be some very small differences between the version, should be more grasp of these very small differences between the characteristics. View of the thickness: fake card quality is thin, no real card thick sense. Look at the dark memory: the secret is the security card designed by telephone card designers can use the magnifying glass to really