50 Dollars - Elizabeth II Dama gazelle

Cook Islands issued a wave of wildlife-themed silver pieces in the late 1980s and early 1990s under licensing arrangements that effectively turned the territory into a mint-for-hire for foreign bullion distributors. The dama gazelle — native to the Sahara-Sahel region and already critically endangered by 1990 — gave the series conservation credibility, though these coins were produced for collector export, not domestic circulation. Cook Islands had no meaningful numismatic tradition of its own; the issues exist entirely because New Zealand's free-association relationship left monetary policy flexible enough to permit them.