History of the One-Pound Coin - The Pound is the main currency of the UK and the one pound (GBP £1 sterling) coin is in everyday circulation. The one pound coin replaced the previous one pound banknote in April 1983 and the round one pound coin itself was replaced with a 12-sided, bi-metallic coin in 2017.
2017 Platinum One Pound Nations Reverse 640x360 New One-Pound Coin Production Hits One Billion: It’s time to get rid of the old pound coins. - The new bi-metallic, 12-sided One-Pound (£1) coin which was launched on 28 March 2017 has now reached a production of one billion. It's time to get rid of the old pound coins.