Okay so first off I got these from my uncle, he claims they are really old (he estimates 75 years give or take). So my first question is, can they be used? Also should I use them? If they are as old as my uncle thinks then they might be antique and be worth something (thou I doubt it). Also if they can be used somehow how do I go about cleaning them? It might not look it in the pictures but these things are filthy. They are covered in grime and all sorts of crap. My first guess would be chuck them in a fire, but would that cause unwanted tampering of any type? Any info you can give me is good.
~Jonah
~Jonah