French School, (19th century); French. Medium: engraving. Date: 19th Century. Erzherzog Karl (1771-1847), Austrian Field Marshal and 3rd son of Emperor Leopold II; successful commander in battles against the French Revolutionary army and against Napoleon at Aspern in 1809 although suffered defeat also in 1809 at Wagram; has been compared in stature to Duke of Wellington; Provenance: Private Collection. Photographic Rights The Bridgeman Art Library.