The street surface slopes here, so these plinths keep the colonnade horizontal. The front bears an inscription in Gothic lettering:
"Stephen of Stella, of uncommon eloquence and famous for the light of virtues, took care to restore the pronaos by spending gold. He did this for you, St George, out of his own resources. This cleric was head of the [liturgical] cult of this church, at this place called "golden curtain"".