500 Cedis Aliens

Ghana's "Aliens" series falls under the country's broader push into legal tender bullion and novelty issues, a program the Bank of Ghana accelerated after 2019 partly to generate foreign exchange revenue through collector premiums rather than metal value alone. The one-troy-ounce, four-nines fine specification places it squarely in the investment bullion tier, though the themed design pulls it toward the commemorative market.

Struck at a private European mint under license — not at Ghana's own facility — the actual Ghanaian monetary authority involvement is largely nominal.