Keywords: Constantine-cameo.jpg Sardonyx cameo depicting constantine the great crowned by Constantinople 4th century AD 18 5 x 12 2cm http //www hermitagerooms com/exhibitions/Byzantium/sardonyx asp PD-art original upload log page en wikipedia Constantine-cameo jpg 2007-05-05 04 33 Argos'Dad 290×369×8 29857 bytes <nowiki>http //www hermitagerooms com/exhibitions/Byzantium/sardonyx asp</nowiki> Reliefs of Constantinus I Magnus in Russia Ancient Roman cameos in the Hermitage Constantinople 0300s Tyche of Constantinople |