About the Design:

Obverse
Effigy of king Tupou VI facing, date below

Lettering:
TUPOU VI
TONGA 2015

Reverse
Features the Heilala (Garcinia sessilis) which is Tonga’s
national flower. It is associated with royalty and has a special status in Tongan culture. It is used to make the kahoa garland that is presented
to the King, and an auspicious garland presented to a girl on her 21st birthday. Each year in July, Tongans hold the week-long Heilala Festival to celebrate the flowering of the heilala flower.

Lettering:
HEILALA
5 SENITI

Composition    Nickel plated steel
Weight            2.29 g
Diameter    17 mm
Thickness    1.53 mm
Shape            Round