The oldest known icon depicting Jesus Christ (6th century) in Saint Catherine's Monastery, Egypt.
Based on Wikipedia content that has been reviewed, edited, and republished.
Original image by Hardscarf. Uploaded by Cristian Violatti, published on 21 November 2013 under the following license: Creative Commons: Attribution-NonCommercial-ShareAlike. This license lets others remix, tweak, and build upon this content non-commercially, as long as they credit the author and license their new creations under the identical terms.