"Here's Your Newborn Dead Baby, Ma'am"
The vintage DuPont Cellophane "dead baby" ad series is the one of the most unintentionally funny ad campaigns ever.
From Facts About Cellophane:
"The biggest hazard that cellophane exhibits is the danger of suffocation. Due to the airtight nature of cellophane, breathing it in or having it cover your airways can cause suffocation, especially in young children..."