Backwards cole print and ask seller to take a couple pics with flash on to see if the 3M material is present. If no 3M, then this could be one of those unauthorized pairs that go for under $300 on ebay.
FYI - mine is an 08, which is the same as an 07 and it's the last year model before they switched to the 09 & up crossplane engines. IMO, the 07-08 models are the best out of all of them.
hey NT fam, I'm new to the game and I just picked up a pair of this DB X. It looks authentic to me, but I would like to get some opinions from the PROs.