<P> Roman Christian mosaic with Chi - Rho, Hinton St. Mary, England . </P> <Li> <P> Christian Chi - Rho on a 5th - century marble table, Quiroga, Galicia . </P> </Li> <P> Christian Chi - Rho on a 5th - century marble table, Quiroga, Galicia . </P> <Li> <P> Reconstruction of Chi - Rho fresco from Roman villa at Lullingstone, including Alpha and Omega . </P> </Li>

Which is not true of the chi rho sign