Detail: Left side of the Predella of Ivan Petrov's Polyptych of the Virgin

The beardless figure, possibly St. John the Evangelist, holds a scroll that reads et sanctam and beneath it ..em peccatorum, apparently from the Apostles' Creed (Credo in unam sanctam ecclesiam ... in remissionem peccatorum...).

Peter, with his short, square beard is in his usual place at the right hand of Christ, who holds a book open to the words "Ego sum lux mundi qui seq[uitur me non ambulabit in tenebris]" - that is, "I am the light of the world; whoever fol[lows me will not walk in darkness]."

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More of St. John the Evangelist
More of St. Peter
More of the apostles as a group

Photographed at the Franciscan monastery, Zadar, Croatia, by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.