Blue-backed sea chart showing from the southern half of Florida to western Hispaniola. Horizontal crack at center where sheets were joined. Scattered typical light wear and staining. He backing has several amateur repairs. On the blue backing is a striking label for F. W. Lincoln, Jr. & Co. of Boston, a seller of charts and nautical instruments. The label is printed in red and blue and includes a view of Lincoln’s building and a soldier holding the Union flag. It is large, measuring roughly 20×24 cm. First published in 1850, this chart was published at the outbreak of the Civil War.