Byzantine Constantine VII Porphyrogenitus, with Romanus I (913-959) AE follis (Bronze, 8.37g, 27mm) Constantinople, 931-944. Constantine VII Porphyrogenitus, with Romanus I (913-959) AE follis (Bronze
Byzantine Constantine VII Porphyrogenitus, with Romanus I (913-959) AE follis (Bronze, 8.37g, 27mm) Constantinople, 931-944. Constantine VII Porphyrogenitus, with Romanus I (913-959) AE follis (Bronze