Watch List notes:

THRACE. Byzantion. Circa 387/6-340 BC. Tetradrachm (Silver, 21 mm, 15.03 g), Rhodian standard. ΠY Bull standing left on dolphin left, right foreleg raised. Rev. Quadripartite incuse square with stippled quarters. HGC 3.2, 1386. Schönert-Geiss, Byzantion, 650-8. SNG BM Black Sea 2. A well centered example. About very fine.