1 Dollar - Elizabeth II 4th Portrait - Coat of Arms 1908-2008 - Colored

Issued to mark the centenary of Australian federation's consolidation of state heraldry into a unified national arms, this piece was struck by the Perth Mint using pad printing — a process borrowed from industrial manufacturing that applies color via a silicone transfer pad rather than enamel or cloisonné. The technique was still relatively novel in numismatic applications at the time, and early Perth Mint colored issues from this period attracted collector debate over long-term pigment durability.