Constantine VII Porphyrogenitus with Romanus II (913-959). AV Histamenon Nomisma (19mm, 4.36g, 6h). Constantinople, 955-959. Facing bust of Christ Pantokrator. R/ Crowned facing busts of Constantine VII, wearing loros, and Romanus II, wearing chlamys, holding patriarchal cross between them. DOC 15; Sear 1751. Scratch on obv., VF