By the time you get to the inner box you probably will have figured out whether or not you have a Slash release, but I figured I would talk a little about them anyway. The inner box of a Slash release is usually just one piece and all white. Here is an example:



In contrast we have an original Sierra release two-piece box with a mountain logo:



The thicker original Sierra release two-piece box (all white) usually for SCI1 games:



Once again not a whole lot to discuss here. The differences are fairly obvious, note that some of the original Sierra SCI0 releases have plain white (thin) two-piece boxes. So if you don't see a Mountain Logo don't fret :)