Coptic Optics

Coptic Cross with abbreviation Ⲓⲏ̅ⲥ̅ Ⲡⲭ̅ⲥ̅ Ⲡ̀ϣⲏⲣⲓ ⲙ̀ⲪϮ standing for Ⲓⲏⲥⲟⲩⲥ Ⲡⲓⲭ̀ⲣⲓⲥⲧⲟⲥ Ⲡ̀ϣⲏⲣⲓ ⲙ̀Ⲫ̀ⲛⲟⲩϯ,
Iêsous Piekhristos Epshêri Emefnouti, “Jesus Christ, Son of God” (see Wikipedia)