No Exotic Vacation From This One
Looks like a rebadged Kelvinator/Leonard to me, but I don't recall seeing the cold control down where it is on a Kelvy. I think it's more '40s than '50s.
It's very clean, but as is all too often the case with vintage refrigerators, it suffers from MCS (missing crisper(s) syndrome). Even if it had them, it would still only be worth maybe 1/10 of the asking price IMO.