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 Dr. No.
The Mint says about it:
The first of 25 1/2oz silver coins designed for fans of James Bond, this officially licensed product celebrates Dr. No, the 1962 blockbuster that established one of the most successful film franchises of all time.
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 Dr. No, Bond is sent to the Caribbean where he encounters the mysterious scientist Dr Julius No, a member of the global terrorist organisation known as SPECTRE. Played by Sean Connery, 007 must thwart Dr. No’s evil plan to destroy the US space program with a nuclear-powered radio beam before it sparks international conflict. | 
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