Jacopo and Domenico Tintoretto
The Vision of St. Roch

Oil on canvas
Upper Hall
Scuola Grande di San Rocco

The Glossa Ordinaria notes only one apparition of St. Roch, and in that one he is accompanied by St. Sebastian.

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Photographed at the site by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.