Appears to be use filling from 3rd c. A.D., pre-Herulian into 4th c. or later. Lined with tiles. Coins:
6 May 1937 #1-#2 (disintegrated) ... Early 3rd-early 6th c.
Well shaft cut through a cistern channel which was then packed with three amphorae (P 3123, P 3125, P 4201) of 1st or at latest early 2nd c. A.D. (These three amphorae could be considered with F 15:2) ... 3rd-4th c. A.D.