4th B.C.
(early but few) ... 6th-5th B.C.
Much Geometric; Corinthian ... 6th-5th B.C. 5th-4th B.C. 4th-3rd B.C. Middle 4th B.C.
Geometric ... Geometric-Late 6th B.C.
Amphora (cf. SS 21984, a later example of class) ... 6th B.C.
Third quarter of 4th B.C
Middle 4th B.C.
Loom weight ... Second quarter of 4th B.C.