After much searching I found a Q&A from the customers website of Activision (sneaky bastards!)
For anyone who has the same question as me:
Remastered Disc EU/AU:
http://activision.custhelp.com/rnt/rnw/img/enduser/GuitarHero3EUremaster.jpg
Remastered Disc USA:
http://activision.custhelp.com/rnt/rnw/img/enduser/Re-Mastered%20Guitar%20Hero%20III%20Wii%20Disc.jpg
Conclusion:
I have the remastered disc:)
Wii code: Mario Kart wii:
6586-0674-1620-6955 0344-9880-0252
PM me if you added me and I'll add you:)
Self-proclaimed, biggest Resident Evil Fanboy of VGChartz!