Bentley Mulsanne Key Celebrates Its Centenary Mulliner Bentley's bespoke coachbuilding unit, has designed a distinctive keycase to mark the 100th anniversary of the brand. It's made of Dark Stained Burr Walnut with Piano Black Veneer and includes an eagle-like "B" paperweight, keys, and an album of never-before-seen 1930s 8 Litre images. This is a great way ...