This is a pretty little white cup and saucer decorated green and gold on the inside of the cup as well as the outside. It is marked Pattern #384-A. Royal Chelsea was produced by New Chelsea China co. LTD Longton, Staffordshire Potteries in England from about 1943 to 1961. The saucer is 5 1/2" across. The cup is 2" high and 3 1/2" across the top.