Propstore.com has an auction going on right now.

From Alien they have Dallas’s hero jacket and shirt. The dropship landing controls that Bishop used, and some other stuff.

And a space suit from Event Horizon.

Scarlett Johansson’s costume from Ghost in the Shell (which I’m shocked some pervert hasn’t bid higher. But maybe it was the person who bid more than the minimum for Amy Jo Johnson’s Pink Power Ranger costume. :shudder: