The Ducal Seal of the Clarentine Republic also called the Seal of Clarence, is a pure golden seal bore by the Duke of Clarence. Its the most precious of the crown jewels of the Reigning duke. 

The seal was created when the Prince Paul received a golden seal by the Arlish emperor to establish a colony on Earth for the empire. Paul established a small micronation called Clarence swearing fealty to the Arlish empire inside Singapore. The colony was a republic sworn to Arlaria and elected Paul as president. Paul not satisfied with a limited role overthrew the cabinet with the authority of the emperor and announced himself as Duke of the republic. Duke Paul made his seal the ducal seal of the republic and based himself in Pang Hall.