These two handled Pierre Hotel plates have backstamps: IVORY Lamberton (S Logo) Schammell Made Expressly For Hotel Pierre New York City Furnished byMyers, Minott & Co. New Uork City. Backstamp was used during the mid 1950’s. These are about 7 3/8 by 6 3/4 inches. These have NO chips cracks or crazing. There are some fine utensil scratches in center area. Any questions please ask. Thank you. PK