The Mother of God of Smolensk

The iconography of The Mother of God of Smolensk was carefully copied of throughout Eastern Christendom.One of the most notable copies, in the cathedral of Smolensk was true to this model.The Subsequent demand for copies of the Mother of God of Smolensk meant a new wave of popularity for the image said to have been a portrait painted nearly two thousand years ago by Saint Luke.

From
Fake?: the art of deception By Mark Jones, British Museum