CYCLADES, Keos. Ioulis. Circa 515-490/80 BC. Obol (Silver, 7 mm, 0.90 g). Grape cluster. Rev. Quadripartite incuse square. BMC Crete 28ff (Karthaea). Papageorgiadou-Banis Series I, xxiii. Sheedy c.f. pl. 20,1-2. SNG Copenhagen 646. Very rare. Toned. Good very fine.
From the Vineyard Collection, ex Classical Numismatic Group MBS 60, 22 May 2002, 585.
It should be noted that Sheedy is unsure whether this type (bunch of grapes alone) is actually from Ioulis; Papageordiadou, however, retains the attribution.