Flat underside. Wall thickened top and bottom. Reserved: underside and top of rim. Glaze fired red and peeled.
Cf. Athens, Agora Museum, Acropolis North Slope A-P 1543 (Well A): Hesperia, IX, 1940, p ... 525-500 B.C ... A-P 1543 (Well A): Hesperia, IX, 1940, p. 252, fig.