Letter Width Abbreviation
-------- ----------------- --------------
2A or AA Narrow N
B Medium or Average M or A
D Wide W
2E or EE Extra-Wide WW or XW or EW
How can you tell if Louis Vuitton sunglasses are real?
Starting with the product ID Code on the leftmost side of the temple, you can notice how the letters and the numbers on the fake pair are too thick and too big. On the other hand, the authentic LV Millionaire 1.1 sunglasses have their inscription looking thinner and smaller than the one found on the fake pair.