Welcome to the forums, Shaan. You picked a classic American burner with that Kaywoodie and, as Roth said, the value only increases to a collector due to the original packaging. That's a great find and I hope it smokes well for you.
Fnord
It could be a war time pipe due to aluminum usage for the war effort some were made with push stems there is a bunch of info over at http://kaywoodie.myfreeforum.org/