 The people depicted on the paper note issue were Sir Charles Kingsford Smith on the obverse along with five Lissajous curves drawn by a two-pendulum harmonograph, and Lawrence Hargrave on the reverse with his drawings of kites and aircraft designs.The polymer note features Mary Reibey on the obverse with an early colonial building and sailing ship including her signature.John Flynn (founder of Frontier Services) is on the reverse with features of the Royal Flying Doctor Service of Australia of a De Havilland DH.50 biplane "Victory" supplied by Qantas, a representation of the pedal wireless invented by Alfred Hermann Traeger, Coledge Harland (the man on the camel), who was a missionary to the inland people of Australia (Australian Inland Mission which later became Frontier Services).