5 Dollars - Charles III Frankenstein

Part of a horror-themed bullion series issued under Cook Islands' longstanding arrangement with New Zealand, which administers the territory's foreign affairs while allowing it to maintain an independent currency for collector purposes. Cook Islands has leveraged this status aggressively since the 1970s to produce commemorative issues that never circulate domestically.

Mary Shelley's novel was published anonymously in 1818; her authorship wasn't publicly confirmed until the 1823 second edition.