Part of the cistern system 44/ΙΓ - 46/ΙΑ - 42/Θ.
Objects with context as "cistern 44ΙΓ, mouth of 46/ΙΑ" are listed with D 12:2.
The following objects are from "earth", i.e. no context layer:
SS 5334, ... Late Hellenistic-Early Roman
Well East of Stoa Room 11; no appreciable change in pottery top to bottom; dumped fill of Augustan times. Coins:
4 May 1950 #1-#3
15 May 1950 #1 Estimated Grid ... Late 1st c. B.C.-early 1st c. A.D.