This is an antique plate removed from an unknown book.
It is Plate VIII and features the Momotus Coeruleiceps otherwise known as the Blue-capped Motmot.
At the top of the page, it has "United States and Mexican Boundary", and measures 11" tall and 8.75" wide across the page.
It does show yellowing from age and the top right corner has been torn.
It comes in good pre-owned condition and would make a great addition to any collection.