White Ceramic Plate with Serial Identification

This item is the underside of a circular ceramic plate, likely constructed of porcelain or high-fired earthenware. The object features a glossy white glaze that exhibits a reflectiveness suggesting a smooth, vitreous finish. A notable physical characteristic is the distinct foot rim on the bottom, which serves to provide stability and lift the base of the plate off a surface. In the center of the underside, there is a clear black alphanumeric marking '1598', which appears to be a pattern number, mold number, or a limited edition serial code rather than a traditional maker's backstamp. Specifically, the sans-serif font of the number suggests a mid-to-late 20th-century manufacturing origin. The condition appears well-maintained, with no visible crazing, large chips, or significant utensil marks on the visible underside, though slight shadows suggest minor variations in the glaze evenness which is common in mass-produced high-quality dinnerware. The craftsmanship is clean and professional, typical of modern industrial ceramic production. The absence of a company logo might indicate it is part of a commercial set or a blank intended for later decoration, or that the primary brand mark is located elsewhere on the set.