Montblanc Wallets. SKU: 131698. Color: Blue. Size: 85 5 135 mm. Montblanc Meisterstuck Geometric Leather Wallet. The Meisterstuck wallet, made from a new deep-shine ink leather, features a geometric design that enhances functionality, offering eight card slots, pockets for receipts, and a zipped coin pocket. Material: Calf-skin leather, Lining: Coated canvas.