The new pound is exchanged at a one to one rate with the old currency
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South Sudan: New currency for a new country

21 July 2011 Last updated at 15:49 BST

South Sudan declared its independence on 9 July 2011 and has already introduced a new currency.

An estimated 1.5 to 2 billion of the old pounds are in circulation in South Sudan. The new pound is worth the same as the old.

Ghada Nassef reports.