Diameter: 40.90 mm.
Edge: 3.50 mm.
Country of origin: Australia.
Reverse: The reverse of the coin depicts a stylized birthday cake consisting of birthday greetings. The yellow inscription "HAPPY BIRTHDAY" is highlighted and on the right-hand side of the coin features the traditional "P" mintmark "P".
Obverse: The reverse of the coin depicts Queen Elizabeth II, who is also the Australian Monarch. The name of the queen and the name of the State "ELIZABETH II AUSTRALIA" are engraved on the top of the coin and the weight, silver purity, year and the denomination of the coin are minted on the bottom "1 oz 9999 Ag 2021 1 DOLLAR".
About the Coin: A lifelong treasure trove of colourful 1-ounce Australian silver coins, this is a unique and thoughtful way to celebrate a birthday. The Perth Mint issues 1 ounce 99.99% pure silver coins of the highest standard.
