Watch List notes:

SELEUKID EMPIRE. Seleukos I Nikator. 312-281 BC. AR Tetradrachm (27mm, 17.19 g, 5h). Seleukeia on the Tigris I mint. Struck circa 300-296/5 BC. Head of Herakles right, wearing lion skin / Zeus Nikephoros seated left; NO in left field. SC 117.6a; ESM 24 (A25/P– [unlisted rev. die]); HGC 9, 12i. EF, underlying luster.