Antique lithograph of the Tinoceras ingens from the “Monographs of the United States Geological Survey" by Othniel Charles Marsh, published in 1886

Please refer to all photos for condition 

this print came out of an old 1800s leather book which folded out of. 

printed on paper canvas material- it fold out more but don’t want to mess with the frame much 

26” x 23”

comes in frame with glass front