The Good Shepherd in Early Christian Art
The Good Shepherd was the most popular image of Jesus in early
Christian art.
Here are some examples.

Statue of the Good Shepherd, Rome, c. 200 AD

Fresco of the Good Shepherd in the Baptistry of the House Church of Dura Europos,
Syria, middle of the 3rd century

Statue of the Good Shepherd, Asia Minor, c. 270 AD

Fresco of the Good Shepherd, Catacombs of Rome, c. 284 AD

Marble sarcophagus, with three shepherds, Rome, 4th century

Mosaic of Jesus the Good Shepherd, Ravenna, 5th century