Watch List notes:

Sicily, Agathokles (317-289), Tetradrachm, Syracuse, c. 310-305 BC; AR (g 16,64; mm 23; h 12); ΣYPAKOΣIΩN, charioteer driving fast quadriga l., holding reins and kentron; above, triskeles, in ex., monogr. Dotted border, Rv. Head of nymph Arethusa l., wearing wreath of grain, earrings and necklace; around, three dolphins, below, NK (?). Ierardi 9; SNG Copenhagen 573 var., SNG ANS 637.
Porous metal, about extremely fine.