May be of Hellenistic origin when cistern system went out of use. For a general note on the cistern see Nb. ΟΕ III, pp. 246 ff. Objects from B 586 various depths (no subdivision): S 2324-S 2330, P 34894, ... Late 2nd-early 6th c. A.D.
Burnt Layer inside retaining wall of Middle Stoa Terrace (Θ) and NW Corner of Middle Stoa, burnt debris inside terrace retaining wall (Ζ). Coins Ζ: Coins Θ: 1 June 1951 ... Mid-3rd c. A.D.