Anecdote time: I spent the academic year 1980/81 as a visitor at the University of Toronto. I stayed at Massey College. They would add letters behind everybody'

Anecdote time: I spent the academic year 1980/81 as a visitor at the University of Toronto. I stayed at Massey College. They would add letters behind everybody's names on doors and the list of residents to indicate their academic degree. But they couldn't make any sense out of my Norwegian degree (cand.real.), so they used esq. instead.