Obverse
Portrait of the Queen Elizabeth II in the field of the coin.
Lettering: ELIZABETH II
AUSTRALIA
1 DOLLAR
IRB
Reverse
A mature koala and juvenile resting in the fork of a eucalyptus tree.
Lettering: AUSTRALIAN KOALA
2011 1 OZ 999 SILVER
P
EM
Extended information
Year
Denomination
Currency
Ruler
Weight
31.1 g.
Diameter
40.6
mm.
Thickness
4 mm.
Alignment
Medal ↑↑
Shape
Round
Edge
Reeded