Snopes says this is, in fact, an from the early 20th century. The first instance of the ad Snopes could find was published in the St. Louis Post-Dispatch on November 17, 1910.

Just another nerd.
Snopes says this is, in fact, an from the early 20th century. The first instance of the ad Snopes could find was published in the St. Louis Post-Dispatch on November 17, 1910.
