Model Beauregard, size 50mm. AUTHENTIC andGENUINE ORIGINAL JACQUES MARIE MAGE sunglasses lenses. to suitall JACQUES MARIE MAGE sunglasses. There is anAnti-Reflection (multi-coating) coating on the back surface of the lens, to improve contrast and eliminate glare from your own face, or from unwanted lights behind you (only the best/top-shelf lenses have this feature).