Prada etches its logo to the upper corner of the outter left lens which is faintly visible if looking through the inside of the lens.
They often anticipate and influence future tendencies: from sophisticated designs with precious details to vintage models proposed in in different, original nuances.
Acetate frames or frames without adjustable bridges don't have the Prada logo on the inner portion that rests the nose.
All Prada sunglasses are manufactured in Italy by.
Prada sunglasses use only the finest materials to strike the ideal balance of form and function.
See picture below for a visual breakdown.
This is the product's serial number.
The small etching is difficult to duplicate and omitted from counterfeits.