1 Pa'anga - Taufa'ahau Tupou IV Alexander von Humboldt

Tonga's commemorative silver program in the early 1990s was prolific to the point of controversy — the National Reserve Bank issued dozens of collector pieces with little connection to Tongan history, targeting the international numismatic market rather than domestic circulation. This Humboldt piece fits squarely in that category. Humboldt never visited Tonga, and his inclusion here reflects the era's appetite for prestige-name subjects on Pacific island coinage.

KM#153 was struck in limited quantities for export sale. Mintages for this series were rarely disclosed publicly.