22 x 14 cm (8.8 x 5.5 inches).North AmericaThis engraving is is over 185 years old and is from work by Dr John Godman, the notable American naturalist and physician. It was made in 1828 and is an antique, not a reproduction. Godman's work illustrated many of the best known mammals of North America. ..
27 x 21 cm (10.5 x 8.5 inches).Monotis - Shell fossilsThis fascinating lithograph was made in 1850 by George Brettingham Sowerby and shows fossils from the Permian era. The Permian era was about 250-300 million years ago. It was first introduced in 1841 by geologist Sir Roderick Murchison, so these ..