One of the inscriptions is on the huge, pentagonal, three-storied tower at the junction of the land walls with the defences along the Sea of Marmora. The legend reads:
Legend
“Tower of Basil and Constantine, faithful Emperors in Christ, pious Kings of the Romans.”
The device
ΙΣ | ΧΡ
————————
ΝΙ | ΚΑ
is found over two windows in the northern side of the tower.
The other inscription is on the northern gateway-tower of the Gate of the Pegè: