The Martyrdom of SS. Perpetua and Felicity
Church of Notre-Dame de Vierzon, France
The labels at the bottom of the composition designate St. Felicity on the left, St. Perpetua in the middle holding a martyr's palm branch, and their fellow martyr Saturus on the right. In the background is the crowd in the amphitheatre in which the saints were put to death.
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Source: Gaetan Poix via this page at Wikimedia Commons.