Well at 15/ΝΒ Coin 18 April 1938 #1 ... 18-20 April 1938 ... Ψ ... Ψ:15/ΝΒ
Well at 19/ΝΒ, on the lower north slope of the Areopagus ... 550-525 B.C ... Ψ ... Ψ:19/ΝΒ