The Passion of St. Agatha
Fresco? (The photographer calls it a painting.)
West wall of the nave, parish church of Eriskirch, Germany
The saint hangs from a crossbar supported by a Y-shaped riser. The physics of the situation would suggest that there should be another riser on the right.
More of Saint Agatha
Source (photo and information): Andreas Praefcke via Wikimedia Commons