akg2-R42-K5-1495-11

A detail from Leonardo da Vinci's "Last Supper", 1495-97, in the refectory of S. Maria delle Grazie, Milan, photographed post-restoration in 1999.

Photo: akg-images / Pietro Baguzzi

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Detail from the apse mosaic of S. Apollinare in Classe in Ravenna, showing a lamb which symbolises one of the disciples, either Peter, James or John.

Photo: akg-images / Cameraphoto

akg2-R40-K1-1530-10

Polemical leaflet against monasticism in which a devil holding bagpipes which are shaped like a monk's head.

Photo: akg-images

akg2-R50-I2-1935-1

Man in London with a sign saying "It is time to seek the Lord". Photo, 1930s (?).

Photo: akg-images / Walter Limot

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A detail from Fra Angelico's "Christ on the cross with Saint Dominic kneeling before him", circa 1437/45.

Photo: akg-images / Orsi Battaglini