Watch List notes:

KINGS of PARTHIA. Mithradates. Usurper in Mesopotamia, circa 15-10 BC. BI Tetradrachm (26mm, 14.15 g, 12h). Seleukeia on the Tigris mint. Diademed bust left / Phraates seated left, holding bow; A below throne. Sellwood 55.10; cf. Sunrise 399 (issue with month); Shore –. Fine, some porosity.

From the W.H. Guertin Collection.