Rare & Unique Royal Doulton Porcelain Collection. There are over 400 lots of ceramics including rare and sought-after collections of Royal Doulton figures. These figures date from 1906-Present and are Marked, Signed and/or part of a Limited-Edition Series. A sincere effort has been made to catalogue or photograph any major flaws. This collection has been compiled by one very committed and discerning owner.