MESOPOTAMIA. Edessa. Caracalla, 198-217. Ae (bronze, 2.67 g, 15 mm). Laureate head of Caracalla to right. Rev. COL AVR METROPOLI ANTONINIANA Turreted, veiled and draped bust of Tyche to right. SNG Righetti 2568; SNG Hunterian 2490-1. Very fine.