Cross and crucifix Main article: Christian cross The Crucifix , a cross with corpus , a symbol used by the Catholic Church , in Lutheranism , Eastern Orthodoxy , and Anglicanism , in contrast with some Protestant denominations , which use only a bare cross. Early use of a globus cruciger on a solidus minted by Leontios (r. 695–698); on the obverse, a stepped cross in the shape of a Iota Eta monogram. The shape of the cross, as represented by the letter T , came to be used as a "seal" or symbol of Early Christianity by the 2nd century. [3] At the end of the 2nd century, it is mentioned in the Octavius of Minucius Felix , rejecting the claim by detractors that Christians worship the cross. [4] The cross (crucifix, Greek stauros ) in this period was represented by the letter T . Clement of Alexandria in the early...