Megara ... Coin no. 7. Surface. Prow l., on which stands a tripod. ΜΕΓ between
Two dolphins swimming r. in circle. Border of dots. 85-11-20 ... last half or third of 4th--early 3rd century B.C.
Well at 73/ΜΓ.
The upper walls were of small stones but changed to tiles at a depth of ca. 12m which suggests that it perhaps was originally built in Late Roman times ... Byzantine