• Obverse: Portrait of Queen Elizabeth II facing right, wearing the tiara; legend “ELIZABETH II AUSTRALIA 1981.” Design by Arnold Machin.
• Reverse: Australian Coat of Arms featuring the kangaroo and emu supporting a shield; design by Stuart Devlin.
• Composition: 75% copper, 25% nickel
• Weight: 15.55 g; Diameter: 31.5 mm; Shape: 12-sided
• Mintage: 47,000,000
• Condition Notes: Honest circulation wear; moderate abrasions on fields; good detail retention on coat of arms; no rim damage.
• Authenticity: Genuine Royal Australian Mint issue.