100 Dollars - Elizabeth II 6th Portrait - Australian Swan - Gold Proof High Relief

The Australian Swan series from the Perth Mint targets the bullion collector market while threading a needle between investment coin and numismatic piece — high relief proof striking achieves that, but at the cost of die life, meaning individual production runs are kept deliberately short. The .9999 fine standard, adopted by Perth ahead of most sovereign mints, was partly a marketing counter to the Royal Canadian Mint's claim on that benchmark.

Wild Black Swans remain one of Australia's most recognizable endemic species, their population concentrated in Western Australia — the very state the Perth Mint serves.