This coin was issued in Australia.
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Royal Baby 2015 Stamp & Coin Cover | The Perth Mint
The Mint says about this coin:
Buy the HRH Princess Charlotte Stamp & Coin Cover from The Perth Mint, featuring: Australian Legal Tender Coin Unique Reverse Design Including the Year of Birth Official Australia Post Stamp Unlimited Mintage Presentation Envelope
The Perth Mint and Australia Post are honoured to commemorate the occasion with the release of a stunning stamp and coin cover, which is set to be a timeless reminder of this historic birth. Her Royal Highness Princess Charlotte Elizabeth Diana was born on 2 May 2015 at Saint Mary’s Hospital in London weighing 3.7 kilograms. She is the second child of Their Royal Highnesses the Duke and Duchess of Cambridge and a great granddaughter of Her Majesty Queen Elizabeth II. Unique Reverse Design The coin’s reverse depicts a sculpted portrait of the Duke and Duchess of Cambridge cradling and gazing lovingly at their newborn baby, with HRH Prince George by their side. The image is encircled by a sculpted ribbon tied in a bow. The inscription CELEBRATING THE BIRTH OF THE ROYAL BABY, the 2015 year-date and The Perth Mint’s ‘P’ mintmark, are also included in the design. Australian Legal Tender The coin is issued as Australian legal tender under the Australian Currency Act 1965. The coin’s obverse depicts the Ian Rank-Broadley effigy of Her Majesty Queen Elizabeth II, the monetary denomination, and the 2015 year-date. Official Australia Post Stamp and Presentation Envelope This uncirculated aluminium bronze coin is housed in a beautifully designed card with the envelope endorsed with Australia Post’s Seal of Authenticity and official number. The official Australia Post 70 cent stamp is postmarked for the first day of issue and features Their Royal Highnesses The Duke and Duchess of Cambridge cradling Princess Charlotte.
Monetary Denomination (AUD): 1
Metal: Aluminium Bronze
Nominal Weight (g): 13.50
Maximum Diameter (mm): 30.60
Maximum Thickness (mm): 3.10
Maximum Mintage: Unlimited
Perth Mint Item ID: 15Y27AAA
Issue price: AU$ 15.95, US$ 11.41 | 
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