5 Dollars Franz Joseph I

Nauru's gold issues from this period were produced under licensing arrangements typical of small Pacific island jurisdictions — the "Bank of Nauru" had ceased meaningful operations long before 2010, and these coins were effectively manufactured for the collector market by external minting operations. The island itself, once the wealthiest per-capita nation on earth due to phosphate mining revenues, was by this point in a prolonged fiscal collapse.

At 0.5 grams of .9999 gold, pieces like this were part of a broader wave of fractional gold issues targeting entry-level bullion collectors in the late 2000s.