Count Negretto Sylvius
From Sherlock Holmes Encyclopaedia
The Count Negretto Sylvius is a fictional character, main antagonist of the short-story "The Mazarin Stone" published in October, 1921.
Biography
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The Count Negretto Sylvius is a fictional character, main antagonist of the short-story "The Mazarin Stone" published in October, 1921.
To be added
To be added