1) Autograph site 2) Blank book page 3) Blank first page 4) Blank page 5) Book opener 6) Folio 7) Leaf 8) Place for an autograph 
The blank page or pages following the front free-endpaper.
End papers. 
Unprinted pages (other than endpapers) which may appear at the front or back of a book.
[n] - a blank leaf in the front of back of a book
Leaf, at the front and back of a casebound book that is the one side of the end paper not glued to the case.
noun a blank leaf in the front of back of a book
a blank leaf in the front or the back of a book.