Watch List notes:

THRACE, Byzantion. Circa 387/6-340 BC. AR Fifth Siglos (13mm, 2.52 g). Bull standing left on dolphin left / Quadripartite incuse square. SNG BM Black Sea 36–41. Darkly toned, die break on obverse. VF.

Ex Thomas Bentley Cederlind Estate (Classical Numismatic Group Electronic Auction 385, 26 October 2016), lot 79.