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The Green Gate is a supernatural story written by Agatha Christie which was never published.[1] There is little information about when it was written but a reasonable estimate is in the early 1920s when Christie wrote a number of other supernatural theme stories such as The Last Seance (1926).

References

  1. Julius Green, Agatha Christie: A Life in Theatre, (London: HarperCollins, 2018), 55, ebook edition. Footnote 26 of that chapter mentions that his source is the Agatha Christie Archive maintained by the Christie Archive Trust.
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