It is catalogued ND 009.
Side 1 lists U-Men and Ethics; Side 2 contains Principles and Body To Body. The picture sleeve is very minimalistic in blue-green hues and black. The front also states 'Limited Edition' but I have not seen exact numbers (1000 maybe?). The reverse pictures the same. Although it would seem rare, this vinyl is seen quite often and I have seen it retail from $25-50.00 range.
This particular copy also has an orange typed insert from Play It Again Sam. It is in dutch and Google Translate does not give the best translation, so I'll leave it up to the fans to translate:
Na meerdere vynil aanslagen door Front 242 hoort men en terug op een uitzon-derlijken maxi single, getitelt "Two in one" de welke hun de welke hun vier eerste nummers herneemt. "