Australia | 20 Dollars, 2006 | Obverse: Portrait of Mary Reibey (1777-1855), Schooner "Mercury" (built in Sydney in 1805/-'06) and George Street (Sydney) building (which was owned by Mary Reibey) | Reverse: Portrait of Reverend John Flynn (1880-1951), Air Ambulance "Victory", Pedal generator (produced and developed by Alfred Treager), Medical diagram "Where Does It Hurt?" and Camel Rider (Flynn Boundary Rider) | Window: Compass |