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Some methods to Identify Fakes
Ebay, Asian countries, big cites, etc are littered with fakes. Some of these can be very similar, almost identical to the real thing. However in buying fakes there is no guarantee to have any actual eye protection from the sun, and worst cases the lenses can be so poorly made that they can shatter damaging your eyes.
How does one discern a difference? Online, the only guaranteed way is to order from a authorized retailer. Ray-Ban.com,Sunglasses hut, Amazon direct, etc. (Not someone that says they are...an actual established place.)
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Ebay guide
-Do not order from any overseas place, Italy can be the exception. If you see any Asian counties selling this is a red flag for knock offs.
-Further the retail price of these sunglasses are 130+. How are so many being sold for 20-30 dollars buy it now? This is also a flag. Now I'm not saying to go spend 100.00 on ebay for a pair of Aviators, these could also just as well be a fake.
-Best bet is to look for something used but in the condition that you are looking for. A pair of authentic used Ray Ban's can be had from 30-50.
-Is the seller selling other items commonly counterfeited? Or a bunch of Ray-Ban's? If so pass.
-Mind if the sunglasses are vintage? They have not changed much over the years so buying an older pair is likely to be legit. (See later part of the section for "changes" made throughout the years.
-Ask the seller if they would ship to Italy, even if you don't live there. Most couterfeiters wont.
-Ask where they got the glasses, if it comes with the registration card, do they have receipts. Also let the seller know that you will take the glasses in for verification at a sunglasses hut and if they have any doubts of it being authentic to let you know so you don't bid.
-Pay attention to how they write their auction. "These are Ray Ban Aviators that are guaranteed to be 100% authentic sunglasses" See how that it worded to guarantee just the sunglass part. + They can straight up lie, which most counterfeit auctions do.
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Once you receive a pair. These are the markings to check for.
Older Models made by Baush and Loma.
-Ray Ban B&L Made in the USA across the top part of the upper bridge.
-Size Markings on the paddles. (Only if they were not changed out, and are not the wrap around ear frames)
-Ray Ban white logo on the Right eye Lens. (Left if you are looking at the glasses) this should not come off easily like, with a cleaning cloth.
-B&L etched in the lenses, many knockoffs will have it painted.
-B&L engraved in the nose guards
Further information needed
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Newer Ray Ban's made by Luxottica
-All newer Ray Ban's sold in the U.S.A will be made in Italy.
-Ray Ban Made in Italy under the top bridge
-Made in Ray Ban made in Italy CE on the inside right leg.
-Correct size and model info on the left inside leg.
-R&B etched in the lenses.
-Ray-Ban painted white on the Right Lens (Again won't come off easily)
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Applies to both
-Should not have a mix of the above features....common mistake (Example made in USA across the bridge and made in Italy on the leg.)
-If painted, it should be enamel and should not come off easily.
-Hinges should have a distinct shape, not oval, and should not have any "burn" marks on the metal from being fused.
-The paperwork..sometimes called care book. (not the registration card) should be crisp with a professional work. Common fakes are printed with regular or shiny paper, haphazardly folded, sometimes colors will be bleeding, and or the English is full of typos.
-Mispelled words on the protective case if it has one. This should also match with the glasses. Luxottica with Italy made and Baush and Loma with U.S.A.
-Box is beat up or has Asian characters.
-Hinges should move smoothly but should not be loose. (Older/Used may require tightening.)
-Plastic lenses. An easy way to test this is to direct the car A.C. air at the lenses. Glass lenses will cool rather easily will feel cooler to the touch than plastic.
-Have them checked at a local sunglasses place, UV can be tested too. Many cheap priced sunglasses misrepresent the amount of UV that is blocked. Ray Ban's have a good reputation of Blocking that 99-100%
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Finally All that said, The best fakes can be identical. (There is a possible risk of eye-damage from cheap lenses and no UV protection or enhanced damage). If you are just buying glasses for style and don't care, these fakes can run as low as 99 cents to 100+, with all the fake accessories, with a gamble on quality. I do actually own a near exact knock off that I paid 99 cents for on Ebay.