1500 Dollars - Elizabeth II Independence

Anguilla's 1968 independence coinage is among the more unusual episodes in Caribbean monetary history. After the Associated State of Saint Kitts-Nevis-Anguilla was created by Britain in February 1967, Anguillans — furious at being administratively subordinated to St. Kitts — expelled the St. Kitts police force in May of that year and declared their own independence. Britain's response was the almost farcical Operation Sheepskin in 1969, landing paratroopers on an island with no meaningful resistance. These coins were struck to fund and legitimize the breakaway government during that liminal period before Britain reasserted control.

Platinum issues at this weight from any Caribbean microstate of the era are exceptionally rare by simple economics of production.