Issued by Mexico in 1978 for airmail use, this commemorative pair honors the first powered flight by the Wright Brothers in 1903, a landmark event in aviation history. The designs feature technical illustrations of the Wright Flyer, emphasizing early aeronautical engineering and human achievement. One stamp presents a structural side view, while the other shows a wireframe perspective paired with a symbolic human figure, reinforcing the theme of man conquering flight. Inscribed “Primer Vuelo de los Hermanos Wright 1903” and marked “México Aéreo”, this set is highly collectible among aviation, airmail, and transportation thematic collectors.