The Tuvaluan Dollar is the currency of Tuvalu - a small nation in the Pacific Ocean. Tuvalu has never had banknotes of its own, and has been issuing coins since 1976; these circulate together with coins of the Australian Dollar, which is also legal tender in the country, and to which the Tuvaluan Dollar is pegged.
The Australian Perth Mint issues a large variety of non-circulating legal tender coins under the authority of Tuvalu. Some of these are in the half ounce silver format (abbreviated as 1/2 oz). Strictly speaking, they are not bullion as they are priced at a premium and are targeted at collectors who appreciate them for their artistic merit and collectable value and not just for their precious metal content.
This coin is part of the long-running James Bond coin series by the Perth Mint, and features the movie Diamonds Are Forever.
The Mint says about it:
The seventh of 25 1/2oz silver coins designed for fans of James Bond, this officially licensed product celebrates Diamonds Are Forever, the 1971 blockbuster based on the novels of Ian Fleming.
Created by former intelligence officer and author Ian Fleming in 1953, James Bond is a fearless, charismatic and deadly British Secret Service agent with a "licence to kill". Also known by the code name 007, he has been portrayed by six actors - Sean Connery, George Lazenby, Roger Moore, Timothy Dalton, Pierce Brosnan and Daniel Craig - in 25 thrilling movies released by EON Productions since 1962.
In Diamonds Are Forever, released in 1971, Bond tracks SPECTRE boss Blofeld to the US where he discovers his evil nemesis is stockpiling diamonds to power a space-based laser weapon. Played by Sean Connery, 007 must neutralise the satellite and prevent the super villain from carrying out his latest threat to global stability. | 
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