According to ancient tradition, Christianity was introduced within present day Egypt by Saint Mark in Alexandria, shortly after the ascension of Christ and during the reign of the Roman emperor Claudius around 42 AD. The  considerable Christian community in Alexandria is the oldest in Africa.
  There are a variety crosses used by the Coptic Christians. Old Coptic crosses often incorporate a circle which may vary in size depending on the representation. For the Coptic Church, the circle represents the eternal and everlasting love of God, as shown through Christ's crucifixion, Christ's halo and resurrection.
Dimensions: 1 1/4" x 1 1/2"