A 35mm print without the “II” turned up on Ebay last May.
http://www.ebay.com/itm/35mm-Feature-STAR-TREK-II-THE-WRATH-OF-KAHN-1982-Original-release-print-/232326740515
I don’t think anyone around here got their hands on it though.
Looks red-faded, but otherwise than that it looks very nice. Hopefully it will appear again