Staurogram

Also known as monogrammatic cross, thau-rho

thumb|upright|The Staurogram, also called the Tau-Rho, and the Monogrammatic cross.|class=skin-invert-image [[File:P. Bodmer XIV-XV, staurogram.jpg|thumb|A staurogram used as τρ-ligature part of the spelling of the word σταυρον (as ) in Luke 14:27 (Papyrus Bodmer XIV, 2nd century).]] thumb|A Solidus (coin)|solidus minted under [[Anastasius I Dicorus (struck in Constantinople between 507–518). On the obverse is Victory standing left, holding a staff surmounted by a staurogram.]] thumb|An Early Christian lamps|oil lamp with staurogram from [[Caesarea Maritima. Glass Factory Museum, Nahsholim, Is