Sicily, Sicily, Syracuse (c. 450-440 B.C.), Tetradrachm, 16.88 gms., quadriga right, Nike above, sea-monster in exergue, reverse head of Arethusa, hair rolled at back, circled by dolphins (Boehringer 538; SNG Lockett 938, this coin). Ex Lockett Collection (Lot 837) and Ars Classica XII (lot 860); very fine (£400-500)