Watch List notes:

BITHYNIA, Kios. Circa 345-315 BC. AR Half Siglos or hemidrachm (11mm, 2.45 g, 4h). Persic standard. Poseidonios, magistrate. Laureate head of Apollo right / Prow of galley left; [ΠOΣ]EIΔ above, ΩNIOΣ below. SNG Ashmolean 364–6 var. (distribution of letters); HGC 7, 553. Lightly toned, flan flaw on reverse. VF.

From the Sigmund Collection.