Yeah, that brown '77 Cougar Villager was on here while back, as well as on my local Craigslist as it was only about 30 miles from me. It was low mileage too I think.
'76 they were still called Montego... guess the name changed for '77 and the headlights/grill... Cool wagons!
I got one for sale. Haven't had time for photos yet but will list it soon. And yes, it is super rare. They made about 5k, one year, and only a handful left. Check my other postings if you are interested.