Obverse
Special Memorial Obverse, sixth crowned portrait of HM Queen Elizabeth II facing right.
Lettering: ELIZABETH II 1952 - 2022
AUSTRALIA 2023
JC
Reverse
Platypus swimming with denomination superimposed
Lettering: 20
SD
Extended information
Year
Denomination
Currency
Metal
Copper-Nickel
Ruler
Weight
11.3 g.
Diameter
28.5
mm.
Thickness
2 mm.
Alignment
Medal ↑↑
Shape
Round
Edge
Reeded