Watch List notes:

THRACE. Byzantion. Circa 340-320 BC. Siglos (Silver, 19 mm, 5.11 g). (YΠ)Y Heifer with right foreleg raised, standing to left on a dolphin swimming to left. Rev. Quadripartite, mill-sail incuse square. SNG BM Black Sea 21-35. Light porosity and a few scratches, otherwise, very fine.