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 ... His arms and details of the shield are rendered with incise lines, the palmettes of the ὀχάνη in the center are painted white, the outer edge of the rim and the handle at the lower edge are in purple. The spiral design on his breastplate appears at the edge of the fragment beneath his right arm.