This incredible image of our Lord measures 2 1/8" x 3 3/8" : on the front - it features both the Shroud of Turin and the Volto Santo; as it is moved, the images superimpose to show their exact match, one of our Lord in death and the other of our Risen Lord. 
On the back is the prayer written by Pope Benedict XVI after his visit in September 2006, please see the photo above for the English translation.