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.
22-27 April 1937
27-29 April 1937
29 April-5 May 1937
5 May 1937
5-7 May 1937
7-10 May 1937
10 May 1937