And now for something completely different... a very rare bird.
Vickers Type 143 Bolivian Scout was a 1929 biplane fighter built for Bolivia. Although well liked by pilots, 3 out of 6 made were lost even before the Chaco War and remnants were eventually replaced by Curtiss Hawks. Additional 7th airframe was developed by manufacturer into Vickers Type 177 intended for Fleet Air Arm (but none were eventually ordered.
Vickers Type 143 Bolivian Scout (Great Britain, Bolivia)