Obverse
Portrait of Elizabeth II.
Lettering: ELIZABETH II
AUSTRALIA
2009 IRB
50 CENTS
Reverse
Koala on a tree branch.
Lettering: 1/2 OZ 999 SILVER
Extended information
Year
Denomination
Currency
Metal
Ruler
Weight
15.5 g.
Diameter
36.6
mm.
Thickness
2.3 mm.
Alignment
Medal ↑↑
Shape
Round
Edge
Reeded