Obverse
HM King Charles III facing left, country name, denomination, weight in oz, gold purity, year of issue, designer's initials
Lettering: CHARLES III NIUE 2024 100 DOLLARS
JC
1OZ 9999 GOLD
Reverse
An astronaut on Phobos looking at Mars
Lettering: MARS
FROM
PHOBOS
Extended information
Year
Denomination
Currency
Ruler
Weight
31.1 g.
Diameter
38.6
mm.
Alignment
Medal ↑↑
Shape
Round
Edge
Reeded