1 Dollar - Elizabeth II Euoplocephalus

Cook Islands has issued collector dollars under licensing arrangements that have nothing to do with the island's economy or monetary needs — these are produced entirely for the philatelic and numismatic export market, with the Cook Islands government receiving a licensing fee. The Euoplocephalus, an ankylosarid dinosaur known primarily from Alberta's Horseshoe Canyon and Dinosaur Park formations, appears here as part of a broader prehistoric fauna series aimed squarely at natural history collectors.

Gold-plated copper in this format degrades predictably at friction points along the relief edges over time.