Pfaltzgraff   Yorktowne Oval Scallop Au gratin Relish Dish Plate USA

It is a stone white background with blue floral design in the center and a blue stripe edging.  Castle  601 USA  bottom. It is oven, microwave, and dishwasher safe. 
 Measures 8 3/8 "   x 6" w. Good condition, please see pictures as is it part of description.