The Consumerist has put together an amazing collection on this one: "Remember when you could buy barbiturates for the baby? Cover your house with asbestos? Or get heroin from the doctor? Okay, probably not, but thanks to the immortal beauty of advertising, you can take a trip back in time. Here's our pick of some of the most ironic ads in American history."
The Consumerist: Top 10 Ironic Ads in Advertising History