There’s always that debate about selling Nazi and Hitler memorabilia. Well, this one takes the cake. It’s a pair of underpants that belonged to his wife, Eva Braun. At a British auction recently, they went for more than $4,600. And before you ask...all I know is it had her initials embroidered in them. I have no other details on the panties [but a Hitler fun fact: he only had one testicle]. It wa…