Trivia

The character of Perkins was redesigned, and, in favor of greater audience sympathy for him - from a ruined rich heir (who had a capital that gave three hundred pounds of annual income), in the text of a story not named by name, he turned into a poor abstract artist.

Asked by Frank Scrimgeer, a newspaper employee says that 100 francs = 2 dollars to 12 cents, but it's not. The action takes place at the end of the XIX century and 100 francs then equaled about 20 dollars.