This Australian 2d scarlet stamp was issued in 1931 to commemorate Sir Charles Kingsford Smith’s pioneering world flight. The design features a biplane flying over twin hemispheres, symbolizing his global aviation achievement. The ornate border includes classical pillars and wings, giving the stamp a grand commemorative style. Postmarked in Melbourne, this example reflects its postal use during the early 1930s. A key aviation-themed issue, it holds great significance for collectors of both Australia and aerophilately.