The introduction of the Australian One-Unit Note in 1966 served as the psychological anchor for a nation undergoing Decimalization, while inadvertently sparking a landmark battle for Aboriginal Copyright. Designed by Gordon Andrews, the note featured traditional motifs like the James Cook watermark and Queen Elizabeth II on the obverse, but its reverse contained a stolen sacred text belonging to David Malangi. This deep dive deconstructs the transition from the British pound system to a modern base-10 economy, analyzing how a single gram of cotton-linen fiber became a "pocket-sized museum" of shifting national identity. We begin our investigation by stripping away the administrative facade of 1966, where 1.7 billion units were physically swapped  ...