Original lithograph from the natural history work Naturgeschichte und Abbildungen der Säugethiere (Natural History and Illustrations of Mammals), created by the Swiss artist Karl Joseph Brodtmann in 1824. The artwork depicts a squirrel monkey (Callithrix sciureus), known for its grayish-olive and white fur with a black-tipped tail and a "mask" look around the eyes (top) and a black-headed night monkey (Callithrix personatus), also known as a Sauassu (bottom) together on a tree branch. Dimensions: 13 1/4 x 16”
