It seems possible that the well ... was originally associated with the late Roman reconstruction of the Stoa, being later carried up to serve the Byz. houses. [Nbp. 364] Coins:
6 March 1939 #1-#9 ... Late 4th-early 5th century
Sides pushed in; the bottom scooped out.
On top, a dolphin to left, diagonally. In field letters ? Cistern, main chamber.
Ca. 300 B.C. Leica ... 7 April 1936