I did not know this story either so once again the coin teaches me history!
Lysanias, Tetrarch of Chalkis, 40-36 BC,
Diademed head of Lysanias to right; before, monogram of . Rev. Athena standing
left, holding Nike in her right hand and resting left on shield; to right,
monogram of . BMC 6-7. RPC 4770.
Also mentioned by Josephus in "the Jewish War".
20mm, 6.69 grams