President Von der Ahe, of the St. Louis Browns, was in a happy frame of mind this evening just prior to his departure for Boston with his champions. The genial Chris did not seem disheartened by the defeat of his pets at the hands of the Michigan sluggers, and he smiled good naturedly enough when Arlie Latham chipped: "Hard luck, boss, that's what done it this trip."
-St. Louis Globe-Democrat, October 18, 1887
I think this is probably evidence enough that the clubs made decent money on the series. If Von der Ahe was in a good mood after his club just lost and was now down five games to two in the series, he had to be making money.