+COhSTANT CE ZOH b, Crowned half-length figures of Constantine and Zoe, holding patriarchal cross between / +COҺS/TAҺTIҺO’/CЄ ZOH ЬA/SILIS RO/MЄOҺ in five lines. 25mm, 8.17 grams. Constantinople mint. DOC 22; SB 1758. 

Constantine VII Porphyrogenitus was the fourth Emperor of the Macedonian dynasty of the Byzantine Empire, reigning from 6 June 913 to 9 November 959. He was the son of Emperor Leo VI and his fourth wife, Zoe Karbonopsina, and the nephew of his predecessor Alexander. Constantine was under the regency of his mother between 913 and 919 CE, when this coin was minted.