US poster from the First World War, ca. 1917, showing a wildcat above advancing tanks and a scene of chaos.
This is a reproduction printed professionally on high-quality matte paper.
Small prints: A4 (210 × 297 millimetres or 8.27 × 11.69 inches)
Large prints: A3 (297 × 420 millimetres or 11.69 × 16.54 inches).