Fragment from the bottom of a lamp, broken all around.
On the inside an inscription; perhaps an ostrakon.
On inside, good black glaze; on underside, black circles on a polished ground.
Type II (?) of ... Early 5th. century B.C ... According to E. Vanderpool (Hesperia Suppl. 8 ) and to M ... Corinth IV, pp. 35-38, nos.