Assesing Value of Antique book

Show it an antiquarian who specializes in old books, consult an authority at your local university or at a university library.

I would go to a few antique stores that specialize in rare books. You'll be able to get a range of what it's worth. If you get very different answers you might want to get an opinion from a specialist, perhaps someone from the world of academia who deals with such antiques.

As a grandmother she will offer thee assessment

Or else you will be granmothered assessed