This is a polychrome wood relief of the Da Vinci fresco called The Last Supper. It is in the Upper Room Chapel.
Dist. by Southern Postcard Co., Box 306, Goodlettsville, Tenn.
The description on the back states:
The great polychrome woodcarving of Leonardo’s Last Supper, in the Upper Room Chapel, 1908 Grand Avenue, Nashville, Tennessee, 37203.
The postcard was used and has the postmark of July 28, 1977.