Armenian Kingdom Chalkous Mithradates
circa 180s-170s BCE
AE Chalkous 12mm 1.10g
Obv: draped bust of Mithradates to left, bearded and wearing upright bashlyk tied with a diadem
Rev: BACIΛЄⲰC MIΘPAΔATO
Kovacs 27 corr. (‘Mithradates I of Sophene’)

I must admit I haven’t been able to exactly figure out how Mithradates figured in the scheme of things. I’m pretty sure he wasn’t an Artiaxid ruler, but I don’t know who came before or after him – if anyone.

For what it’s worth, the coin says BACIΛЄⲰC MIΘPAΔATO or “King Mithridates”.