Lamp bottom. Shallow curved profile, thickening in the middle where roughly circular, flattened and slanted knob projects from convex surface, dimpled in middle (max. W. 0.017, H. 0.007 m).
Fabric, firing, and surface description
Light blue (PMS 623C), semitranslucent. Frequent pinprick to small, spherical bubbles, some aligned diagonally.
One large fragment preserves most of central part broken all around. Slight to moderate, extensive iridescence, crizzling, and black enamel flaking; moderate, extensive pitting.
