To make their 100th-year special, Bentley will be introducing a special Centenary Specification for all of their cars built in 2019. This includes, per Bentley's press release on the matter, "Centenary badging, distinctive seat embroidery, unique treadplates and other special details will identify each car as part of the celebrations." You can view some of these features in the images below.
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Centenary Keyfob