This isn't like.. important really, but... one of the 'cows' on the Romulich Farm... is not a cow. But in fact a non-castrated bull.
Also, adding onto this, Hugh Houlgrave sells scrolls you can't use, sells quills and paper - but no ink well and also sells several gems for no perceivable reason. He sells a book about the Great Upheaval that seems a little bit meta. lol.