Nostalrius Begins - Quality wow vanilla realm (1.12)

Hello,

I purchased a set of rare Legs for 16s, a great deal! Then I was charged 16G for it. Is there a known bug/exploit that works that way? Is there a way I can check my purchase history? At 16G I never would have bought, and it took me a while to get that gold...Thanks

Are you sure that you didn't just misread the cost of the item? Do you have any addons active that maybe related to the auction house?