THRACE. Byzantion. Circa 387/6-340 BC. Hemidrachm (Silver, 12 mm, 1.93 g, 2 h). ΠΥ Forepart of heifer standing left on dolphin left; below raised foreleg, monogram of HA. Rev. Trident head. Schönert-Geiss, Byzantion Group XXI var. (HΛ instead of HA monogram). SNG BM Black Sea -. Well centered. About very fine.