The Holy Trinity with saints. Etching.

Top, the Father, the Son and the Holy Ghost, above the globe of the universe. Left, three male saints (Doctors of the Church?). Right, five female saints including Saint Agatha, a nd possibly Saint Ursula and Saint Mary Magdalene. Below, two angels holding the arms of Pope Urban VIII (Barberini), and at the bottom a walled town surrounded by seven hills (Rome?)