Bentley Mulsanne Key Celebrates Its Centenary Bentley's bespoke coachbuilding division, Mulliner, has designed an exclusive key case to commemorate the brand's centennial. Made from Dark Stained Walnut and Piano Black veneer, it includes a fluttering 'B' paperweight, a set keys and a brochure featuring never-before-seen 1930 8 Litre images. This