Obverse
Crowned portrait of Elizabeth II right.
Lettering: ELIZABETH II
AUSTRALIA
∙ 100 DOLLARS ∙
IRB
Reverse
Koala bear in his natural habitat.
Lettering: AUSTRALIAN KOALA
2018 1OZ 9999 GOLD
P
NM
Extended information
Year
Denomination
Currency
Metal
Ruler
Weight
31.1 g.
Diameter
27.3
mm.
Thickness
4.5 mm.
Alignment
Medal ↑↑
Shape
Round
Edge
Reeded