the Labarum (Chi-Rho Christogram standard), similar to Constantine's vision. Coin of Magnentius (350-353 AD) with a large Chi-Rho, showing the first apparent use of the Alpha and Omega flanking the Christogram. Anastasis , symbolic representation of the resurrection of Christ , (Sarcophagus, ca. 350 AD). Monogram of Christ within a wreath, including the