MESOPOTAMIA. Carrhae. Caracalla, 198-217. Tetradrachm (Billon, 26 mm, 11.13 g, 12 h), 215-217. ΑΥΤ•Κ•Μ•Α••ΑΝΤΩΝ[ЄΙΝΟC C]ЄΒ• 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. Slightly porous, otherwise, very fine.