The proof is in the smoking
This tin ad plays with the common adage, “the proof is in the pudding” by changing the phrase to “the proof is in the smoking.” The adage generally means that the quality of something can only be ascertained by its end-product. This man appears to be reaching into his pocket for his wallet so he can buy some of the Old Gold cigarettes on display. The “Not a cough in a carload” slogan on the display board is written in a font almost as large as the adage, placing it on the same recognizable level as a well-known phrase.
Cough, Health, Throat