Obverse
The Effigy of HM Queen Elizabeth II
Lettering: ELIZABETH II COOK ISLANDS
IRB
ARCHEOLOGY
& SYMBOLISM
20 DOLLARS
Reverse
Antikythera Mechanism
Lettering: ANTIKYTHERA
20 23
MECHANISM
Extended information
Year
Denomination
Currency
Metal
Ruler
Weight
93.3 g.
Diameter
65
mm.
Series
Archeology & Symbolism
Alignment
Medal ↑↑
Shape
Round
Edge
Reeded
