The Coptic Cross. Look closely and you will see An Ancient Egyptian carrying it. Was this Cross censoring the pagan carving? Or was the Christian carver making a subtle statement regarding the important role Egypt played in upholding the faith?
This glorious frontispiece is from Vatican Coptic 9, a bi-lingual Gospel codex copied in Cairo in 1205. It is thought to be one of the most spectacular Coptic manuscripts from the middle ages. http://digi.vatlib.it/view/MSS_Vat.copt.9/0008