Gray's Map of North America.

Unbound, removed, 16" x 13", colored, straight line border. Slight aging, and a bit of staining in top margin; otherwise bright and clean. Very good. 
Published in the 1873 installment of Gray's Atlas of the United States, this is an attractive and colorful map of North America. There is plenty of detail, and the map of Central America and the West Indies is on the reverse side.