Here's a similar one in my collection: Aretas IV, Philopater and wife Shaquilath I. 9 BCE-40 CE Petra, Nabatea. AE 17.5 mm, 4.30 gm Obv: Jugate busts of Aretas and Shaquilath to r. Rev: Two cornucopiae, crossed; between them Aramaic legend "Aretas, Shaquilath" in 3 lines. Meshorer 114; SGI 5699; BMC 28.9, 23; Forrer 212
Ariba-Ariba!! (okay-okay, that might be the wrong language?) => Aretas-IV!! ... oh, and here is my only other Naboteneegerenean example ... Rabbel II and Gamilat Wow ikandiggit, small world => I was in Winnipeg on the weekend (big Portuguese wedding in Île-des-Chênes)
Another Aretas IV type: Nabataea, Aretas IV and Phasael AE14, 9 B.C. - 40 A.D. Obv: laureate head of Aretas right. Rev: two cornucopias paired right, palm frond left, Aramaic monogram FS (Phasael). Petra mint. 14mm. Roman Nabataea: Arabia Petraea, Petra. Septimius Severus AE22 Obv: Laureate bust right. Rev: Tyche seated l., on rock outcropping, extending hand and holding trophy.