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    https://en.wikipedia.org > wiki > Fifty_pence_(British_coin)
    Fifty pence - Wikipedia
    The British decimal fifty pence coin is a denomination of sterling coinage worth 1⁄2 of one pound. Its obverse has featured the profile of the current British monarch since the coin's introduction in 1969. As of November 2024, six different royal portraits have been used.
    Value£0.50
    Mass(1969–1994) 13.5 g · (1997–pres.) 8.0 g
    Diameter(1969–1994) 30.0 mm · (1997–pres.) 27.3 mm
    Thickness(1969–1994) 2.5 mm · (1997–pres.) 1.78 mm
    History

    In 1967 the Deputy Master of the Royal Mint approached the Decimal Currency Board to ask for their advice on the introduction of a new coin. The 10-shilling note then in use was lasting only five months, and it had been sugg… See more

    Design

    It was the first seven-sided coin in the world. However, there was some confusion and resistance to the new shape after its release on 14 October 1969, where the coins were mistaken for the decimal 10p and half crowns, … See more

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