Wednesday Advertising Day
Only one item today. I love these comic film ads and I am surprised I didn't know about them. Apparently they were quite a few. I have shown three of these earlier, including one from the Cary Grant/Shirley Temple film The Bachelor and the Bobby-Soxer.
If I had to guess I'd say this add is by Leonard Starr. Follow the tag for Cary Grant to find the others.
From Feb 23 1947, by the way: