Constantine VI & Irene, 780-797. Miliaresion (Silver, 20 mm, 1.64 g, 12 h), Constantinopolis. IҺSЧS XRISTЧS ҺICA Cross potent set on three steps. Rev. COҺS/TAҺTIҺO/S S IRIҺIЄ / C ΘЄЧ ЬA/SILIS in five lines. DOC 4. SB 1595. Traces of overstriking, otherwise, nearly extremely fine.
This coin was overstruck on an Umayyad dirham, with parts of the undertype still visible.