This is a lovely oval shaped platter. It is a nice example of American Dinnerware. It was made by Harker China Company. The background is celadon and the edge is white. The shape is called Gadroon.
The back of the plate is marked Harkerware since 1840, East Liverpool, Ohio, Harker Pottery.
It measures approximately 13 ½" long and 9 ¾" wide.
The condition of the platter is good. There are no chips, cracks or crazing. There are some normal and expected utensil marks.