Royal Crown Derby Sudbury Silver Blue Yellow Round Bangle. BUNQ0000840. This elegant bangle has been designed as part of our exclusive collection with Royal Crown Derby. It features fine bone china from the popular Sudbury design from Royal Crown Derby and is framed by handmade sterling silver. All our Royal Crown Derby jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform the raw materials into these stunning pieces of jewellery. You can find other matching Royal Crown Derby jewellery on our website. All articles purchased from CW Sellors are lovingly and securely dispatched with our elegant jewellery packaging.