1 Dollar - Elizabeth II 3rd Portrait - Australian Kookaburra

The Kookaburra silver bullion series launched in 1990 with a deliberate design innovation: the reverse image changes every year, distinguishing it from programs like the American Eagle, which ran the same design for decades. This annual rotation was a calculated move by the Perth Mint to drive collector demand on top of raw bullion interest — and it worked, pulling in buyers who had no prior interest in Australian coinage.

The 1997–1998 dual-date designation reflects Australia's fiscal year convention used during early issues of this series, not a minting anomaly.