This is a very rare Italian plan of Jerusalem based on Ligorio Pirro's plan. The city is seen from the west and at bottom are elevations of the Holy Sepulcher and the Chapel of Bethlehem. At center is a key to 16 sites within the view.
References: Laor #983.
Excellent color on watermarked paper with light printer's ink residue and a hint of toning along centerfold.