Small fragments of rim missing.
Concave underside. Contiguous ribs with scraped groove at top.
Low upper body. Boss in center of floor. Shiny black glaze, mottled to brown on one side, stacking circle; ... 325-300
Flaring lip. Body decorated with grooved tongues which meet near boss. Central boss surrounded by scraped groove outside. Scraped groove at junction of upper and lower wall and just below.
A fragment ... 350-325 B.C.