MESOPOTAMIA. Carrhae. Caracalla, 198-217. Tetradrachm (Billon, 26 mm, 12.12 g, 6 h), 215-217. ΑΥΤ•Κ•Μ•Α••ΑΝΤΩΝЄΙΝΟC•CЄΒ• Radiate head of Caracalla to right. Rev. ΔΗΜΑΡΧ•ЄΞ•ΥΠΑ•ΤΟ•Δ• Eagle with spread wings standing facing, head to right and holding wreath in beak; between the eagle's legs, crescent; to upper left, star; in exergue, ••. Prieur 830. Minor flan faults, otherwise, good very fine.