A leaf from the Codex Climaci Rescriptus in the Green Collection. This image shows: Upper layer (darker text): Written in Syriac (a dialect of Aramaic), visible as the black script Under layer (faint, underlying text): The ghostly traces of an earlier text in Christian Palestinian Aramaic (also called Palestinian Syriac), visible as the fainter, brownish text running underneath Two layers: You can see both texts overlapping, with the undertext running in a different direction or angle from the overtext About the Codex Climaci Rescriptus: Undertext (Christian Palestinian Aramaic): Written in the 6th-8th centuries CE Overtext (Syriac): Written later, around the 8th-9th centuries CE or later https://commons.wikimedia.org/wiki/File:Codex_Climaci_Rescriptus.jpg