Well ... Φ-4 635, 636 P 10189 P 10190 P 10191 T 1494 L 3014 P 10263 P 10264 P 10265 P 10266 P 10267 P 10268 P 10269 L 3049 P 10467 P 10468 P 10469 T 1525 P 10470 P 10471 P 10472 P 10473 P 10474 P 10475 MC 379 P ... 8 May 1937
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.