Kings of Armenia. Tigranes II “the Great”
80-68 BCE
AR Tetradrachm 28mm, 15,44g
Obv: Diademed and draped bust right, wearing Armenian tiara with five peaks and emblazoned with star between two eagles; within filleted border
Rev: BAΣIΛEΩΣ TIΓPANOY, Tyche of Artaxata seated to right on rock pile, holding palm branch, river god Araxes swimming to right below; Θ to inner right, ΔH monogram to lower left, all within wreath.
Foss Group H; Kovacs 74.2; SCADA Group 1; CAA 19; ACV 31

The Artaxiad dynasty was started by Artaxias I, who was a general under Antiochos III.

Kings of Armenia. Tigranes II the Great
70-66 BCE 18.65mm 4.22g
Obverse: Head of Tigranes right, wearing Armenian tiara
Reverse: BAΣIΛEΩΣ / TIΓPAИOY; Tyche seated right on rock, river god swimming right at her feet
M&D 24; CAA 92; AC 56 uncertain Armenian mint

I’ve chosen to represent the kingdom (for now) by Tigranes II, also known as Tigranes the Great.