Maitani, Slaughter of the Innocents. Marble bas-relief on façade of the Duomo.

Slaughter of the Innocents, 1977. Hand-colored etching, 50 x 60 cm.

Maitani, Cain and Abel. Marble bas-relief on façade of the Duomo.

Cain and Abel, 1977. Hand-colored etching, 50 x 60 cm.

Maitani, Winged Man of Matthew, Winged Lion of Mark, Winged Ox of Luke and Eagle of John.

The Four Evangelists, 1997. Hand-colored etching, 50 x 60 cm.

Maestro Valentini working in his studio.

Maitani, Adam and Eve. Marble bas-relief on façade of the Duomo.

Adam and Eve, 1977. Hand-colored etching, 50 x 60 cm.

Maitani, Expulsion from Eden. Marble bas-relief on façade of the Duomo.

Expulsion from Eden, 1977. Hand-colored etching, 50 x 60 cm.

Maitani, Crucifixion. Marble bas-relief on façade of the Duomo.

Crucifixion. Hand-colored etching, 50 x 60 cm.

Maitani, Resurrection. Marble bas-relief on façade of the Duomo.

Resurrection, 1985. Hand-colored etching, 50 x 60 cm.

Valentini, St. Michael and the Dragon. Hand-colored etching, 50 x 60cm. Matteo di Ugolino, St. Michael Archangel and the Dragon. Bronze.

Maitani, One of the Damned. Marble bas-relief on façade of the Duomo.

One of the Damned, 1997. Hand-colored etching, 50 x 60 cm.