Constantine VI & Irene, 780-797. Miliaresion (Silver, 22 mm, 2.20 g, 12 h), Constantinopolis. IҺSЧS XRISTЧS ҺICA Cross potent set on three steps. Rev. COҺS/TAҺTInO/S S IRInIЄ/ C ΘЄЧ bA/SILIS in five lines. DOC 4b. SB 1595. Traces of overstriking, otherwise, good very fine.
This coin was overstruck on an Abbasid dirham, with considerable parts of the undertype still visible.