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Medieval manuscript painting of a haloed bishop kneeling at an altar as Christ's figure appears above the chalice, with attendants in red at left.

The Mass of St. Gregory, from a Book of Hours

A kneeling bishop in a blue robe and halo faces an altar where a vision of Christ appears above the chalice and paten. Red-robed attendants stand at left beside a ladder and a cross, set against a gold and blue ground in a tempera and gold leaf manuscript miniature.

Artist
Willem Vrelant
Date
1460/70
Medium
Manuscript cutting in tempera and liquid gold on parchment
Source
Art Institute of Chicago
Size
1686 × 2827 px
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Public domain · Art Institute of Chicago releases this image under CC0 (latest date 1470).
Rights checked 2026-11-05 · tier A · as stated by the source: CC0 (Art Institute of Chicago, is_public_domain=true)

Credit (appreciated, not required for public-domain works): Art Institute of Chicago, Gift of Mr. and Mrs. R. Stanley Johnson in honor of Anselmo Carini

Español: La misa de San Gregorio, de un libro de horas

Un obispo arrodillado, con túnica azul y halo, mira hacia un altar donde aparece la figura de Cristo sobre el cáliz y la patena. A la izquierda, dos asistentes de rojo están junto a una escalera y una cruz, sobre un fondo dorado y azul en una miniatura de temple y oro.

Português: A missa de São Gregório, de um livro de horas

Um bispo ajoelhado, com manto azul e auréola, volta-se para um altar onde surge a figura de Cristo acima do cálice e da patena. À esquerda, dois auxiliares de vermelho ficam ao lado de uma escada e de uma cruz, sobre um fundo dourado e azul em miniatura de têmpera e ouro.