Discontinued Royal Crown Derby Old Imari Pattern Cobalt Color Mini / Miniature 5 Piece Tea Set. Mint A ntique Condition. Dimensions: Tea Pot: 1 1/2″ Width 3″ Length 1 1/2″ Height Covered Sugar: 1 1/8″ Width 1 1/2″ Depth 1 1/4″ Height Creamer: 1″ Width 1 3/4″ Length 1 1/4 Height. Introduced 1863 – Discontinued 1935. Don’t miss this rare fabulous miniature Royal Crown Derby Old Imari tea set for your collection. I have hundreds of unusual and discounted items.