Obverse
HM Elizabeth II facing right, denomination, country name, year of issue, designer's initials, regnal dates
Lettering: ELIZABETH II 1952-2022 AUSTRALIA 2023 JC
Reverse
Platypus swimming; engraver at left, denomination at top
Lettering: SD 20
Extended information
Year
Denomination
Currency
Metal
Ruler
Weight
13.4 g.
Diameter
28.5
mm.
Thickness
2 mm.
Engraver
Stuart Devlin, Jody Clark
Alignment
Medal ↑↑
Shape
Round
Edge
Reeded
