This coin was issued in Niue.
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Star Wars: A New Hope - R2-D2™ & C-3PO™ 5g Silver Coin Note | New Zealand Mint
The Mint says about this coin:
Star Wars
Star Wars: A New Hope - R2-D2™ & C-3PO™ 5g Silver Coin Note
Everyone's favourite droids, R2-D2™ and C-3PO™, are together again on their own Star Wars: A New Hope Silver Coin Note. Made from 5g of pure silver, the note is coloured and engraved with the two characters on Tatooine™, as well as the movie's logo and the Rebel Alliance™ starbird. The obverse features the Ian Rank-Broadley effigy of Her Majesty Queen Elizabeth II and is legal tender in Niue. Each silver coin note contains its unique number in the mintage and is presented in a protective sleeve which includes details of the note's authenticity. This R2-D2 & C-3PO note is one of the six unique silver coin notes that make up the collection which also includes Luke Skywalker™, Obi-Wan Kenobi™, Han Solo™ & Chewbacca™, Princess Leia Organa™, and Darth Vader™. Each note has its own display page in the Star Wars: A New Hope Silver Coin Note Collector's Album which is Star Wars themed and is included with purchase of the Luke Skywalker Silver Coin Note. No good Star Wars collection is complete without R2-D2 and C-3PO so get your silver coin note today!
Material: 999 Fine Silver
Weight: 5 grams
Finish: BU
Size: 150 x 70mm
Denomination: $1.00
Effigy: Ian Rank-Broadley effigy of Her Majesty Queen Elizabeth II | 
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