This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Porphyrogenetus. Description piece of carved ivory from the Pushkin Museum representing Christ blessing Emperor Constantine VII Dated back to the piece passed from the treasury at Etchmiadzin to the collection of Count Sergey Uvarov in the midth century Source English original upload July by Ghirlandajo PDArt Byzantine emperors