The Three Impostors is an episodic novel by British horror fiction writer Arthur Machen, first published in 1895 in The Bodley Head's Keynote Series.
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The three impostors of the title are members of this society who weave a web of deception in the streets of London—retailing the aforementioned weird tales in the process—as they search for a missing Roman coin commemorating an infamous orgy by the Emperor Tiberius and close in on their prey: "the young man with spectacles".