PARTHIA , Mithradates I, c. 171-138 BC, Tetradrachm , Sellw.13.5, Bearded bust r/Naked Herakles stg l, DOP in exergue; VF, obv well centered, rev sl off-ctr but complete, minor smoothing in fields with traces of porosity remaining, but a pleasant coin with bold details. Very rare, much more so than Sellw 13.2. (Compare a 13.2, GVF with minor porosity, bringing $4113, CNG 5/13.)