For gentlemen with a penchant for minimalism, the Ducorium brown credit card sleeve from Lapis Bard presents a sleek, smart wallet with ample space to carry just the essentials for an evening out or a casual weekend getaway. It is crafted from top grain leather that is semi-vegetable tanned, and given a dual-tone effect on the leather surface by hand-painting the edges a few shades darker than the base leather.