Designer: obverse: Ian Rank-Broadley; reverse: Stuart Devlin
Reference: KM# 401
Diameter: 19.4 mm
Reverse In the central part of the reverse is a relief, front-facing Australian echidna; behind the animal is the numeral 5. Below the image are the designer's initials Stuart Devlin - 'SD'.
Obverse In the central part is the right-facing profile of Queen Elizabeth II of Great Britain wearing a crown. On the left, following the curve of the coin's edge, is the Queen's name 'ELIZABETH II'. On the right are the country name 'AUSTRALIA' and the year of minting '1999'. Below the monarch's neck truncation is the designer's mark of Ian Rank-Broadley – 'IRB'.