It's been in his family for at least 50 years. He wants to know something about it, value and whether it should be in a museum or whether he should pas it on to his children. Sewen on 4 heavy cords. 9 rivets on front cover.
Leather is nailed on to the wooden covers.
Book block is vellum sheets of choral music calligraphied in black and red. The whole looks Medevil but of course isn't. Thanks for any replies on this.