Deep basin on disc base; squared rim; round hole neatly cut through center of the floor. Pinkish buff clay with grits; remains of light buff surfacing.

Others similar, as large or larger and with squared rims, from 5th and 4th century contexts:

P 5189 H 6:5. Diam. at rim 0.78. Hesperia, V, 1936, p. 344, fig. 11; Beazley, Potter and Painter, p. 17, note 2; cf. Ginouvès, p. 53, note 3. Context 470-460 B.C.

P 18869. Diam. not less than 0.66. From a workshop in the industrial area west of the Areopagus; late 5th or early 4th century.

P 19227 D 16:1. Diam. not less than 0.66. Context late 4th century.