Here's a link for a 1982 re-release trailer rip, probably not the quality you want though
http://thestarwarstrilogy.com/starwars/post/2014/01/15/Star-Wars-1982-Re-release-35mm-Trailer
Here's a link for a 1982 re-release trailer rip, probably not the quality you want though
http://thestarwarstrilogy.com/starwars/post/2014/01/15/Star-Wars-1982-Re-release-35mm-Trailer