20 Dollars - Elizabeth II Wanderer above the Sea of Fog

Cook Islands has issued commemorative silver under its own authority since the 1970s, despite having no independent central bank — New Zealand dollars circulate in practice, making pieces like this purely collector objects from inception. The 2016 program tied to Romantic-era painting was part of a broader series licensing fine art imagery for numismatic release, a format that gained significant commercial traction in the European collector market through the early 2010s.

Caspar David Friedrich painted the original work around 1818, during the period of German Romanticism following the Napoleonic Wars. The painting's subject has never been definitively identified.