Constantine the Great, founder of Constantinople, had the monogram of Christ placed on the labarum, or imperial stamdard; It was the Greek letter X (chi) with a P (rbo) placed perpendicularly though it, forming the first two letters of the name Christ, in Greek
From Pugin's "Glossary of Ecclesiastical Ornament"
As men became more and more accustomed to these idols and less and less spiritual in their worship they would ventrure to give expression to their ideas of the unseen gods. Other materials were used, and as might be required by the materials, other shapes were of necessity given. At first, it would seem, that only representations of animals were attempted, then, asin the teraphim, the head of a man was attached to various animal forms, as also in Dagon, the fish-god, which has a human figure, terminating in a fish
Finding it difficult to fasten their thoughts on invisible, intangible beings, men, at the beginning. probably sought to aid their worship be selecting some object to represent the being worshiped.
Devils chasing a rabbit
Sculptures and medals abound in the East, containing hieroglyphic symbols of the creation. The most remarkable, however, of these symbolic devices is that erected, and at this day to be seen, in one of the temples of Japan. The temple itself, in which this fine monument of Oriental genius is elevated, is called Daibod, and stands in Meaco, a great and flourishing city of Japan.
The principal image in this design displays itself in the form of a vast bull, the emblem of prolific heat and the generative energy by which creation was formed, butting with its horns against the egg, which floated on the waters of the abyss. The status of the bull itself is formed of massy gold, with a great knob on its back, and a golden collar about its neck, embossed with precious stones.
The Egg of Creation, encompassed with the Agathodaimon, or Good Genius