All signed in the plate lower left G Dore 

and signed lower right in the plate by another Engraving artist 

All images are monotone in black and white (sepia)

All pages/ images are the same size  (11 1/2" h x 9" wide ) and the image size is approx 8 1/2" H x 7" wide 

No writing or image on the back of the sheet so probably not just a page from a book 

OLD .,, I don't know exact age

1. Baby Jesus ... signature looks like Pannemaker    Pg or Engraving # 57

2. Image with Angel and horses .. .signature lower right looks like Pannemaker ,,, Pg 56

3, Jesus and the Angel  , signature Pannemaker - ET ?

4  Last Supper . signature ? AlBert Rand

based on the internet Pennemaker's name was Adolphe Francois Pennemaker