I noticed a slight difference in box art in these two ads.
I suspect one in an EMEA version and one is the North American version.
Since I can not seem to snag just the images here are the links.
Amazon.com:
http://www.amazon.com/-2-Sturmovik-C...1014917&sr=8-1
Ebay:
http://cgi.ebay.com/IL-2-Sturmovik-C...item3a6676eef3