Apse of the Euphrasian Basilica: Detail, three apostles
Euphrasian Basilica, Poreč, Croatia
The three are labeled as, left to right, St. Paul, St. John, and St. Philip. Note Paul's characteristic pointy beard and receding hairline.
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More of St. Paul
More of St. John the Evangelist
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Photographed at the basilica by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.