Les six Napoléons

"The Adventure of the Six Napoleons", one of the 56 Sherlock Holmes short stories written by Sir Arthur Conan Doyle, is one of 13 stories in the cycle collected as The Return of Sherlock Holmes. It was first published in Collier's in the United States on 30 April 1904, and in The Strand Magazine in the United Kingdom in May 1904.