Watch List notes:

KINGS of PARTHIA. Mithradates II. 121-91 BC. AR Tetradrachm (28mm, 15.78 g, 12h). Susa mint. Struck circa 121/20-119 BC. Diademed bust right / Apollo seated left on omphalos, holding filleted palm frond and bow set on ground; monogram to outer left; AB in exergue. Cf. Sellwood 18.2 (for rev. and monogram); G.R.F. Assar. "A Revised Parthian Chronology of the Period 91-55 BC" in Electrum 11 (2006), Fig. 30 (this coin); Sunrise, p. 120; Shore –; PDC –. VF, rough corroded surfaces, some porosity. Extremely rare, one of two known examples.