You are seeing two versions of Montblanc's eyeglasses frames crafted from the company's precious resin - Tortoiseshell frame MB0086O and gray plastic frame MB0122O. And no matter which version, Montblanc always takes care of its products at the highest level and perfection when they reach consumers.
Plastic frame versions always have the advantage of being light, durable, easy to use, not oxidized like metal frame models and can hide the thickness of the lenses for those with severe nearsightedness. These two versions of glasses have quite different appearances and colors, but each pair of glasses brings a knowledgeable look and is an accessory exclusively for Montblanc followers.
See price details here: Sample Tortoiseshell frames and sample grey plastic frame.
