MESOPOTAMIA. Edessa. Caracalla, 198-217. Tetradrachm (Billon, 26 mm, 13.39 g, 12 h), 215-217. ΑΥΤ•Κ•Μ•ΑΥ•ΑИΤΩИЄΙИΟC CЄΒ Laureate and cuirassed bust of Caracalla to right, seen from behind. Rev. ΔΗΜΑΡΧ ЄΞ ΥΠΑΤΟC ΤΟ Δ Eagle with spread wings standing facing, head to right and holding wreath in beak; between the eagle's legs, shrine without pediment. Bellinger 138 var. (shrine with pediment). CNG E-Auction 354 (2015), 217. Goldberg 72 (2013), 4503. Prieur 845 var. (shrine with pediment). An extremely rare variety of a very rare type. Light scratch on the obverse, otherwise, good very fine.