Uncharted 2 press kit variants

[GameTrigger]

I discovered that there are variants of U2 press kit preview code disc.
In most pictures and videos press kit has preview code disc like in Xed unboxing video:
http://www.youtube.com/watch?v=t_vQRj4nFLE
But I have different version (that isn't my photo):
http://ps3hits.ru/wp-content/uploads...dia-Kit-13.jpg
What the story? One is for Pal countries and other for Ntsc countries? Or something else...