First, there are as many as six English prefixes of counterfeit banknotes, starting with AB, AC, AD, AJ, AK and AL respectively;
Second, the second flap on the right side of the front lace is solid;
Three, the crown number is different, discontinuous, the number font spacing is different, the size is slightly different, and the same number is sometimes obviously different;
Fourth, within the safety line? USA 100? The clarity of words is close to real money, but it is not clear;
Five, the face is brand-new, the hand feels thicker, and a little light green ink will be stained after counting.
Insiders suggest that if you are traveling abroad or studying abroad, it is best to buy and sell foreign exchange through formal channels such as designated foreign exchange banks to prevent your money from being cheated and your property rights from being violated. If overseas credit card spending requires cash repayment in US dollars, it is best for residents to deposit RMB cash into their credit card accounts first, and then notify banks to conduct foreign exchange business to avoid buying US dollars through the black market.