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"The Labarum consisted of a staff or lance with a purple banner on a crossbar. It bore the two Greek letters XP (CHR) the first being a symbol of the cross, and both making a monogram of the word Christ (Greek, Christos).—Webster, 1913

The Labarum

"The Labarum consisted of a staff or lance with a purple banner on a crossbar. It bore the two Greek…