Lots more info needed.
There were several versions of Campagnolo Omega rims:
Tubular or wired-on?
Aero or non-Aero profile?
Hole count?
Standard or XL version?
And there's the hub questions.
Manufacturer?
Model?
Freewheel or freehub?
And if tires are included, what the make and model?
Freewheel/cassette included? How many cogs? Manufacturer/model if freewheel?
Finally, condition?