I purchased this item at PRADA in the United States, and it is a completely authentic product. It has never been used and comes with the original box and an unopened cleaning cloth.
Product code: SPR17W_E1AB_F05S0_C_A051 •Acetate frame front – Black •Non-gradient lens frame •100% UVA and UVB protection •Lens / Bridge / Temple size: 51-20-145 mm •Comes with the original PRADA packaging