Very Rare Derby Porcelain Royal Service Custard Cup and Cover c1790. This wonderful example is of the type that I have not seen come up for sale before, The rest of the service probably resides in the royal collection. Condition is near perfect save for a small nick on the outer edge of the lid which can easily be touched up by an expert. The base bears a puce mark. This item is in the category "Pottery, Ceramics & Glass\Decorative Cookware & Tableware\Cup & Saucers".The seller is "tops4china" and is located in this country: GB. This item can be shipped worldwide.