1/ Drachma, Vonone II, 51 AD, Ecbatan workshop. King’s bust in front, wearing a tiara; two stars to the left and right of the head.

2/ Drachma, Mithridates II, 123–88 BC, Ecbatan workshop. King’s bust on the left, with diadem.

3/ Drachma, Vologeze VI, 208–228 AD, Ecbatan workshop. King’s bust on the left wearing a crested tiara; behind the head two Aramaic letters: King’s initials.