I'm pretty sure it's [fair country] [writer] since I've found several different nouns as the final one

I'm beginning to think it's [fair] [country writer]. Neither the Dictionary of American regional English or Green's Dictionary of Slang had an entry for "fair country". I googled "country writer", and it seems to go back well into the early 19th century as a kind of writer opposed to a "city writer".

Ceci n'est pas un seing.