This is an original promo/trailer mini CD put out by the SAW producers to promote the original SAW movie back in 2004. Still in it's jewel case.

Will pull off ebay if offered good price for it.

ebay listing:

SAW COLLECTABLE TRAILER CD RARE HARD TO FIND - eBay (item 230444146850 end time Mar-08-10 18:53:19 PST)