Updated: As reported on The Dent earlier, it appears that the European versions (or at least some of them) of the official bootlegs have a white cover instead of the brown cover as seen in the U.S. For example, Alex reports that all 6 bootlegs that he boought from amazon.de in Germany were white. Also, Kushty informed me that the U.K. version of the London bootleg (recorded June 4, 2005 at Hammersmith Apollo) ordered online from Play.com also has a white cover. You can see a photo of the white London cover on Kushty's blog. Other than the color change, everything else on the bootlegs is the same.

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Here is a photo of the alternative UK London cover from Kushty: