Watch List notes:

THRACE. Byzantion. late 3rd-2nd centuries BC. Drachm (Silver, 18 mm, 3.84 g, 12 h). Head of Herakles to right, wearing lion's skin headdress; c/m: prow to left, dolphin downward to right and BY above, all within circular incuse. Rev. Zeus seated to left on high-backed throne, holding eagle on his outstretched right hand and long scepter in his left; in field to left, ΗΔ monogram. Monogram applied on Price 2090 from Miletos. Toned. About very fine.
From the stock of an old Swiss dealer assembled mainly in the 1960s-1970s.