Reverse Along the upper rim, the Tongan inscription 'FAKALAHI ME'AKAI' — 'Produce more food'. Below, the inscription '20 SENITI'. In the central part of the reverse, a relief image of three sweet potatoes.
Obverse Along the upper rim, the abbreviation 'F.A.O' — Food & Agricultural Organization (United Nations). Below, the country name in English 'TONGA' and the year of issue '2002'. In the central part, a portrait of King Taufa'ahau Tupou IV facing front in military uniform.