and
; these being obviously the natural ways of adding the letter Ρ, signifying Rome, to the crosses
and
respectively.
All the foregoing references to the origin of the so-called monogram as a Pagan symbol of pre-Christian date, are but speculations however. Its origin cannot be ascertained for certain.
The revival of this pre-Christian symbol, and the prominence given to it upon the coins of the Roman Empire, are, however, traceable. And, as has been shown, they are traceable to Constantine; who induced the Christians to accept as the Monogram of the Christ, and therefore as a Christian as well as a Gaulish symbol of victory, the Solar Wheel venerated by the Gaulish conquerors of Rome.