Are these "world class" for your purposes? No, doubt anything will make you happy, but gold is worth more now, fuel is cheaper than a couple of these examples dates etc.
That's about all I have time for now...dyor if you want anymore...come back in a few years time and I will add RAU in Bolivia to this list for you...
BIG Price at posting:
2.4¢ Sentiment: LT Buy Disclosure: Held