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Polyptych of John the Merciful. Artwork en The Miracle at the tomb of the Patriarch pl Cud grobu patriarchy Mistrz Legendy Jana Jamunika ca Tempera gold plate spruce cm Krakw Institution National Museum Krakw en Painting from the Polyptych of St John the Merciful painted for the St Catherine's Church in Krakw Founded by Mikoaj