Watch List notes:

THRACE, Byzantion. Circa 340-320 BC. AR Half Siglos (13mm, 2.51 g). Persic standard. Heifer standing left on dolphin left / Incuse punch of mill-sail pattern. Schönert-Geiss, Byzantion 236–590; HGC 3, 1390. VF, toned.

Ex Classical Numismatic Group Electronic Auction 328 (11 June 2014), lot 48; Classical Numismatic Group Electronic Auction 57 (29 January 2003), lot 23.