The plaque was donated to the Musée des Antiquités Nationales by Gustave Grange's grandson, Louis, in 1952.

[4] The tile depicts a human figure head-on (though his feet are in profile) with arms bent at the elbows.

The figure's forehead is marked with a monogrammatic cross in between an alpha and omega and he appears to wear a headdress (perhaps a diadem or tiara).

[a] The objects in either hand are perhaps a lance and a globe, mingling symbols of Roman imperial victory with those of Christ's triumph.

[3]: 240–241 Though the Christian influence on the plaque is undeniable, the bizarreness of the iconography frustrates identification of the figure with Christ.

As archaeologist Michael Friedrich has put it, "why is the figure naked, what is the disc-shaped object in its right hand, and what do the three lion heads mean?

[1] French medievalist Inès Villela-Petit noted attributes of the Gallic pagan god Lugus in the figure (the beardless face, chained necklace, headdress, and spear).