Yeah, I think no one wants to get the fake LV glasses with much money. In fact, there are so many ways to tell if the Louis Vuitton sunglasses are genuine. The easiest way is that you can get the answer from the money you spend, because we know a pair of authentic LV sunglasses will cost you thousands dollars. Then you can look on the inside of the earpiece and see where it's made; if it's made in France then there good. Besides, pls check the lettering, such as the brand name and signature, on the inside of the Louis Vuitton sunglasses, if the Louis Vuitton sunglasses are authentic, the lettering are centered, even if the stamped lettering, logo and signatures. Meanwhile, you can cheak their authenticity by the frame of the sunglasses, because when you open and close the sunglasses, you can feel that they are really flexible.