2 Dollars 50 Cents - Elizabeth II Estonian National Opera

Niue has functioned as a prolific licensing vehicle for commemorative coinage since the 1990s, issuing gold and silver pieces for dozens of countries and institutions under bilateral agreement with New Zealand. This particular issue honors the Estonia Theatre in Tallinn, founded in 1906 and rebuilt after Soviet-era neglect into one of the Baltic region's principal opera and ballet houses. The 0.5g format places it in the fractional bullion category that has dominated Niue's commemorative output since roughly 2015 — small enough to be accessible as a gift item, but too minor in gold content to attract serious bullion buyers.