Broneer, O ... American School of Classical Studies at Athens ... The calyx-krater of Exekias, first published in 1937,1 was discovered at the bottom of a well in the American School excavations on the North slope of the Acropolis in Athens. The circumstances of discovery ... 1956 ... Exekias has varied the stance of the three Greek warriors. Diomedes, who is at the rear, holds his spear at waist height in position for an under-thrust. ... There the shield of the Greek protagonist overlaps that of Hektor, as seen in the picture, and the other four warriors all hold their shields in proper defensive position so as to be seen almost in profile. ... On the Pharsalos vase all six warriors hold their right arms in almost identical pose (Pl. 51,b).