There are 7 variants of this issue:
1-2: 2 standard covers by Ed Benes and Mariah Benes that form a single picture.
3: A 1-in-10 variant with a cover by Michael Turner.
4: A variant available at the 2006 Baltimore Comic Con that combines the images from the standard covers sideways as a single cover.
5: A second printing that also combines the images from the standard covers, but not sideways.
6: A third printing with a pencils-only version of the Michael Turner variant cover.
7: A fourth printing with a recolored version of the Michael Turner variant cover in red, white, black and gray.
This cover's Diamond order code: JUN060195
This issue is a variant of Justice League of America (DC, 2006 series) #1 [Ed Benes / Mariah Benes Cover - Left Side]
There exist further variants: