Obverse
Portrait of the Queen Elizabeth II in the field of the coin.
Lettering: ELIZABETH II
AUSTRALIA 2013
IRB
Reverse
Platypus in color.
Lettering: 20 SD
Extended information
Year
Denomination
Currency
Metal
Copper-Nickel (Partially Colored)
Krause catalog
KM# 403c
Ruler
Weight
11.3 g.
Diameter
28.65
mm.
Thickness
2.5 mm.
Alignment
Medal ↑↑
Shape
Round
Edge
Reeded