This set of four Australian 10-cent stamps honors prominent 20th-century national leaders: J.B. Chifley, John Curtin, J.H. Scullin, and Arthur Fadden. Each stamp features a dignified engraved-style portrait against distinctive colored backgrounds, reflecting Australia Post’s tradition of commemorating key political figures who shaped modern Australian governance. These stamps are widely collected as part of Australia’s Prime Ministers series and are appreciated for their clean portrait design, historical relevance, and consistent denomination format, making them attractive for thematic collections focused on political history and leadership.