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Sarcophagus of Junius Bassus, ca. A.D. 359
(Image source)
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Detail of Sarcophagus of Junius Bassus showing Christ flanked by Ss. Peter and Paul
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Segment of a 4th-century sarcophagus with the Chi-Rho.
"Here the Greek monogram of Christ is lifted up like an imperial ensign and men come to it bringing wreaths as a mark of honour."
(Image and Commentary by Br. Lawrence Lew, O.P.)
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The Sarcophagus of Domatilla, mid 4th century
(Image source)
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Detail from the Sacrophagus of Domatilla
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Good Shepherd Sarcophagus, ca. A.D. 390
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Detail from Sarcophagus of the Good Shepherd, found in the Catacomb of Praetextatus, Rome, ca. A.D. 390