Watch List notes:

KINGS of PARTHIA. Artabanos IV. Circa AD 10-38. BI Tetradrachm (26.5mm, 13.05 g, 12h). Seleukeia on the Tigris mint. Dated Gorpiaios 338 SE (June AD 27). Diademed facing bust / Artabanos on horseback left, receiving palm from Tyche standing right; year oriented around Artabanos, month as monogram below horse. Sellwood 63.5 (Artabanos II); Sunrise 411 var. (month); Shore 336. Fine, HΛAPI graffiti in obverse field.

From the Nisa Collection.