The Evangelists with St. Michael
North façade, Basilica of St. Mark, Venice
The evangelists are represented by their respective winged creatures (left to right): calf (Luke), lion (Mark), eagle (John), man (Matthew). The use of a calf rather than an ox and the Greek inscription behind St. Michael argue for an early date. Parts of the façade were done in the 12th century, but there was extensive restoration in the 19th.
The identification of the angel as St. Michael is also problematic. He is the only angel normally pictured as a warrior (note the sword in his right hand), but it is unusual to represent Michael riding a horse.
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Photographed at St. Mark's by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.