This is a set of three vintage antique porcelain pottery butter plates with a round shape and a diameter of 3 inches. The plates are from the 1920-1949 time period and have an Arts & Crafts Movement style with an Art Deco theme. They were likely used in hotels, restaurants, and railroads as part of their restaurant ware. The plates have a glossy finish and are in their original form. The brand is Old Ivory & Unbranded.