Give the lenses a few gentle flicks with your fingernail. Making a habit of buying fakes can be unwittingly supporting unfair labor practices in other parts of the world.
Following Follow. They were inexpensive for Ray Bans, but extremely overpriced for fakes.
Some, unfortunately, make a practice of selling fakes, or, in the case of pawnbrokers, may be indifferent to fakes in their inventory. Then, look for low-quality metal hinges and poor engravings, which are red flags that the glasses are fake. Best article I've read so far giving a lot of info. Flag as...
If they have the look, feel, and "clinking" sound of genuine glass, this is a good sign — many Ray-Bans use real glass for their lenses. Not Helpful 0 Helpful 4.
If you have a model with transparent arms like, for instance, the Clubmaster Squares  , you should be able to see this metal. Not Helpful 11 Helpful 10. This depends on the quality of the glasses, better quality fakes can last for a long time, whereas the branding on glasses with lower quality may only last for days or even hours.
If the logo itself seems poorly-made or stuck onto the side of the glasses with glue or pins, your glasses are probably not genuine. In addition, real Ray-Ban booklets are thoroughly reviewed and edited before their publication. Look and feel for seams on the plastic. A real case will have a hardened front too.
A Anonymous Dec 13, 2016. Always buy your Ray-Bans from licensed retailers and be wary of any deals that seem too good to be true!
Feel for an inappropriately light weight.