'I have "serious reservations" about it--the polite scholarly term for saying that you suspect fakery.... Not one of the Danish and Icelandic scholars who I consulted at Copenhagen in May 1969 believes the Vinland Map to be genuine, although they have every national and sentimental reason to accept it as such.'
Samuel Eliot Morison, The European Discovery of America: The Northern Voyages, notes to Chapter III, "The Norsemen and Vinland".
Samuel Eliot Morison, The European Discovery of America: The Northern Voyages, notes to Chapter III, "The Norsemen and Vinland".