What is the ultimate classic Halloween costume?

Back in the day, there was nothing better than searching through a department store's costume section. As soon as the leaves started turning, you could count on the Halloween section at your local shop. Woolworth's. Kresge's. Any five-and-dime worth your time had a Halloween section with tons of costumes to rummage through.

So, we want to know... Which one is the best? You've got an unlimited budget. Which are you picking? 

Vote for the ultimate Halloween costume!