Anonymous engraving. Riot in Saint-Omer, 1780s (Incitement over a lightening rod placed atop a house.) Anonymous engraving. Riot in Saint-Omer, 1780s (Incitement over a lightening rod placed atop a house.) Sizes: 150 × 150 / 241 × 300 / 175 × 131 / 401 × 500 / 411 × 512