Lamberton Scammell China Greek Key Pattern Oval Celery Dish - Most likely Hotel or Restaurant Ware. Measures approx. 10-3/8" long x 4-3/4" Wide x 1-1/2" Tall Backstamp: Ivory Lamberton Scammell China Date: circa 1931 - 1954. Very Good vintage condition with one small off color pinhole under the glaze and one chip to the bottom rim. Please see photos for more details. Check out my closet for more vintage treasures to bundle together & save!