Where Was This Used?

This Wally Wood piece has always fascinated me, partly because I have no idea where it was used originally. I've had this printed piece for years, but there's nothing on the back—yet it's on nice paper stock, like it was part of an inexpensive portfolio set. My memory fails me as to where I got this. Anybody (BookSteve?) have any idea as to its original intent? Maybe an Avon page?