Royal Crown Derby Bone China Trembleuse cup and saucerCa. Thank you for looking and good luck. The item "Royal Crown Derby Bone China Trembleuse (Ca. 1950) cup and saucer Porcelain" is in sale since Saturday, April 20, 2019. This item is in the category "Antiques\Decorative Arts\Ceramics & Porcelain\Cups & Saucers".The seller is "leonce_antiques" and is located in Westport, Connecticut. This item can be shipped worldwide.