Watch List notes:

SELEUKID KINGS of SYRIA. Seleukos I Nikator. 312-281 BC. AR Sixth Unit (7mm, 0.32 g, 12h). Babylon I mint. Struck circa 311-300 BC. Head of Herakles right, wearing lion skin / Club and quiver-over-bow; [monogram to left, H to right]. SC 85; Price 3706; HGC 9, 72. VF, toned, some porosity. Very rare.

The exact denomination of this coin is uncertain, although it is one-sixth the weight of the larger unit (SC 84–a drachm).