Uncertain tribes. Tetrobol circa 500, AR 2.72 g. Facing bearded head of Dionysus, wearing headband terminating in two bunches of grapes. Rev. Quadripartite incuse square. Traitè 1821 and pl. LVIII, 10 = Svoronos, Hellénisme Primitif 2 and pl. VI, 6 = A. Baldwin, Facing Heads on Ancient Greek Coins, pl. 1, 7 (these dies). Regling pl. 9. 219 (these dies and in Berlin). cf. Sotheby's sale 8 July 1996, Highly important Greek and Roman coins, 41. Of the highest rarity, apparently the fourth specimen known and one of only two in private hands. An impressive portrait of superb Archaic style, old cabinet tone and good very fine Ex Dorotheum sale 15 November 2017, 1111. From the Dr. Hartmann collection.