½ Dollar St. Mark's Campanile

Nauru has no historical or cultural connection to St. Mark's Campanile. The island's coin program, administered largely through external minting agencies, has since the 1990s issued hundreds of themed pieces aimed squarely at the novelty collector market — the denomination itself, denominated in Australian dollars by convention, bears no relation to any circulating currency Nauru actually uses.

Titanium issues of this type were struck by the Bavarian State Mint, which has produced the bulk of Nauru's collector coinage under licensing arrangements.