SCO's Ancient Unix License: Open?

Covers Unixes from 1st Edition up to System III, including 32V, but NOT System V
Covers the contaminated portions of derived systems, e.g 2BSD, 4BSD, Ultrix
Right to use, modify, compile the source code
Right to distribute source code, modifications, binaries, but only to other license holders
Use & distribution must be non-commercial

Not yet completely Open Source