The Wilton Diptych
Unknown French artist
Tempera on oak panel, 21 x 14.6 in. (53 x 37 cm.)
London, The National Gallery
Richard II is presented to the Virgin and Child by his Patron Saint John the Baptist (lamb, camel-hair garment) and by Saints Edward (ring) and Edmund (arrow). On the right, the Virgin Mary is accompanied by St. Ursula (holding the red-cross banner) and some of her 11,000 companions. Each of them wears an image of a lamb that may be taken to symbolize Christ, the "Lamb" of the Book of Revelation.
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Read more about St. Edmund, St. Edward the Confessor, St. John the Baptist, and St. Ursula.
Source of photo and information: Web Gallery of Art via Wikimedia Commons