Arch from the baptismal font of Callistus decorated with two lions threatening two lambs. The archway's band is decorated with vine shoots, leaves and bunches of grapes, eaten by doves and peacocks. A Latin inscription runs on the top of the arch.
Arch from the baptismal font of Callistus decorated with two lambs among palm trees, that symbolically feed on the Eucharistic bread. The archway's band is decorated with braided pattern. A Latin inscription runs on the top of the arch.
Arch from the baptismal font of Callistus decorated with two deer drinking from a spring of water. The archway's band is decorated with vine shoots. A Latin inscription runs on the top of the arch.