Well 12: Archaic.
It lies on a rocky ledge about thirty meters north of the Klepsydra, just east of the Panathenaic street. In spite of its depth, it produced little pottery and its contents were of slight ... 6th c. B.C.?
Grave LXIII (Deposit E-F 8:1) in the south peristyle of the Hephaisteion. Cf. Hesperia Suppl. 5 (1941), p. 5, fig. 1 (Grave 24) ... AMS east 2017 ... 14 Mar 1939