5th-Late 4th B.C.
Mostly black glaze; some coarse ... 2nd Half 4th B.C.
Black glaze; coarse ware; bone fragements ... 5th-Early 4th B.C.
Megarian bowls removed (such 4th c. B.C.). Lots 81-82 reduced and combined, 1967 ... Early 2nd c. B.C.