Vintage Royal Staffordshire "Tonquin" Black Cream Crescent Shaped Plate England

This is a vintage "Tonquin" crescent-shaped plate by Royal Staffordshire England Dinnerware by Clarice Cliff. Clarice was a ceramic artist and designer, active from 1922 until 1963. It is in very good, previously owned condition. There is a tiny chip on the rim as shown as all as 3 indentations on the underside that are on both tips as well as the middle. There are some black marks on the underside. There are no cracks or crazing. It is approximately 6.75" wide, 3" deep, and 1" tall. Ref no 30806