Obverse
Portrait of the Queen Elizabeth II in the field of the coin.
Lettering: ELIZABETH II AUSTRALIA 1991 RDM
Reverse
Echidna.
Lettering: 5
SD
Extended information
Year
Denomination
Currency
Metal
Krause catalog
KM# 80a
Ruler
Weight
3.27 g.
Diameter
19.4
mm.
Alignment
Medal ↑↑
Shape
Round
Edge
Reeded