Hey guys, Zunows are pretty hard to find info on and the one catalog on the Bulgier site doesn't have anything remotely close to the bike in the pic, what do y'all think? Aluminium tubes with steel lugs? It looks like an old Shimano 600 group but I cannot tell for sure.

The seller has had this bike listed on and off for months and it hasn't sold, I don't know if that is a good thing or a bad thing....it is a bit snug for me but I could make it work...the asking price is 400$CDN