Gian Maria Morlaiter
Church of Santa Maria del Rosario (The Gesuati), Venice
The saint is posed and dressed as in statues of Roman emperors, such as these of Hadrian and Augustus:
As usual, he holds two keys, is balding from the back of the head, and has a short, square beard.
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The Morlaiter was photographed at the Gesuati by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license. The Hadrian statue is from this page, the Augustus from this page, at Wikimedia Commons.