The image is a photograph of a sign in a museum that reads "The Philadelphia and the American War of Independence." The sign is rectangular in shape and has a black background with white text. The text is written in a serif font and is centered on the sign. Below the text, there is an illustration of a map of the United States with different colors representing different countries. The map is divided into different sections, each representing a different country.

The map shows the extent of the American Civil War, with the states of New England and New York highlighted in orange and the rest of the country in blue. The states are labeled with their respective names, such as "New England" and "New York." The map also includes a legend that explains the different colors used in the illustration. The sign appears to be a historical marker or information about the war.