I only own a copy of every Avril Lavigne album
This guy from AvrilBandaids has one of the biggest Avril's originals collection
He is brazillian
The collection its absolutelly insane, for exemple he has 17 versions of "Let Go", 7/8/9/10 versions of every single CD, he even has all the single tapes
Its really impressive, a collection like this is
priceless
You can check it all here
Never seen a colection like this for any other artist, if you know please post
http://www.raphaelscollection.com/
This is just a part of his collection