Watch List notes:

KINGS of PARTHIA. Vologases IV. Circa AD 147-191. BI Tetradrachm (25mm, 12.21 g, 12h). Seleukeia on the Tigris mint. Dated 498 SE (AD 186/7). Bust left, wearing tiara; B to right / Vardanes seated left, receiving wreath from Tyche standing right; year above. Sellwood 84.110-1 var. (month in exergue); cf. Sunrise 451 (for type); cf. Shore 432 (same). Good VF, toned, some porosity and deposits.

From the M. A. Armstrong Collection.