Romanesque fresco depicting a martyrdom, from the entrance wall to the Collegiate Church of San Pietro e Sant'Orso, Aosta, Italy
Unknown author<span style="display: none;">Unknown author</span>
11th or 12th centuries AD
Plate 2 of <i>Romanesque Painting</i> by Jean Ainaud (London: Weidenfeld &amp; Nicolson, 1963)