 They have been found nearly all over the Christian world, and many scholars trace influence from their fairly crude images in the emerging iconography of Western medieval art, among other Coptic influences.A remarkable number of Coptic textiles survive today, due to the Coptic custom of burying them with the dead, and to the aridity of Egyptian graves.The textiles are commonly linen or wool and use the colors red, blue, yellow, green, purple, black and brown.