On Sunday I explored a relatively new (and small) park in Garbatella, several blocks from our apartment on the Via delle Sette Chiese. Inside the park are two locked entrances to the Catacombs of Commodilla, discovered in 1905. The site is not too far from the Via Ostiense and the Basilica San Paolo fuori la mura. I hope it will be possible to arrange a visit to these catacombs in the future.
Commodilla is an unknown Christian matron, on whose property were buried Saints Felix and Adauctus, martyred during the persecution of Diocletian.
This 4th century frescoe was dicovered in 1953 on the ceiling of an underground corner of the Catacombs of Commodilla. It is of Jesus the Alpha and Omega and is the earliest representation of Christ with a beard. Before this time Jesus was usually depicted as a young beardless man. (Image is from www.religionfacts.com.)