The "real" score on bra's A,B,C,D,DD,E,F,G,H

Have you ever wondered why bras are tagged as A,B,C,D,DD,E,F,G,H? And how each letters are actually used to define bra sizes? Many of the guys out there already know about this, but still, there are some few who are still clueless on this matter. And to those few, or even those who already knew about bra cup sizes, I'm sure these pictures can help you a lot.

It seems like you already made it till the end. Now here's a question for you. What's your size?