This is a white-glazed, stoneware coffee pot made by Staffordshire manufacturer Midwinter. The shape is from Midwinter's extensive range called "Stonehenge" and was popular during the 1970s and 1980s. This pattern, with brown flecks and highlights, is called "Creation".
We can't date it exactly as the Stonehenge range was made throughout the 1970s and into the 1980s. There's not the usual, printed stamp on the base, but rather an embossed mark which reads:
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