Translucent medium blue glass, bubbly with deeply pitted and highly iridescent surface; cast, wheel-cut and possibly lathe-polished. Thin sharp rim flares out from shallow concave body, transition highlighted with a lathe-cut or wheel-cut groove, within this circle the exterior is decorated with a sixteen-petal flower, each petal alternately preserving a medial ridge and medial groove, each petal is separated from the next by a groove, the center from which the petals radiate is apparently undecorated but heavily weathered and pitted.