I remember reading somewhere (either here or on BGG) that there was different box arts for Space Marine (second edition), but haven't seen it anywhere. Whilst looking through eBay last night I finally found a picture of the other version of the box art. Does anybody have any idea why the different art, was the more stylized one to tie in with Titan Legions? Apologies if this is quite well known, but i've never found a picture so I thought I would share!
Here is the version I assume everyone is familiar with:
and here is the alternate box art: