Watch List notes:

ISLANDS OFF CARIA, Rhodos. Rhodes. Circa 170-150 BC. Hemidrachm (Silver, 13 mm, 1.17 g), struck under the magistrate Thrasymenes. Radiate head of Helios facing, turned slightly to the right. Rev. P-O / ΘΡΑΣΥΜEN Rose with bud to right; in left field, thunderbolt; all within incuse square. HGC 6, 1462. Jenkins, Rhodian Group B, 54. SNG Keckman -. Toned. Light deposits, otherwise, very fine.

From an old Swiss collection, formed circa 1950s to 1970s.