 The painter's 12 signed pieces include three broad-shouldered neck-amphorae, four olpai (an early form of wine jug), one band cup, one cup, one small bowl, a pyxis and a vessel fragment.For scholars who believe that the potter and painter were identical, the petite and refined shapes of the Amasis vessels reinforce the argument for Amasis' innovative contributions to sixth-century Athenian vases.As Boardman writes, "The potting of the Amasis Painter's vases is as distinctive as the painting.