Watch List notes:

BITHYNIA. Kios. Circa 350-300 BC. Hemidrachm (Silver, 12 mm, 2.38 g, 7 h), Persic standard. Sosandros, magistrate. Laureate head of Apollo to right. Rev. ΣΩΣAN/ΔPOΣ Prow of galley to left. HGC 7, 553. SNG Ashmolean 368. Porous and the obverse struck slightly off center, otherwise, very fine.