Located in Tholos Trench E, beneath floor, beneath layer III.
Diameter 1m. Cf. P 4952 with fragment from this deposit and E-F 12-14.2.
Similar the well filling, H 6:5 Originally called H 12:5
Ann Steiner ... Ca. 470-460 B.C ... Hesperia Suppl. 4 (1940), pp. 126-128 ... Hesperia Suppl. 46 (2011), p. 375.