Translucent amber or yellow-brown glass, bubbly with exterior pitted surface, some patches of thick iridescent weathering crust adhering; mold-pressed, tooled, lathe-cut and polished. Shallow shape with ground rim, wall bends in to form convex profile with slightly kicked base, seventeen ribs on exterior, upper third of bowl has been lathe-cut, some ribs have been trimmed in this process; deep lathe-cut groove on interior below rim, two more define the bottom of the bowl with a third wide lathe-cut groove (D: 13 mm) forming a boss in the center.