This is an 1892 Broadside declaring WAR!. The event was for a concert and military display being held in Prospect Park, in Brooklyn, NY. It was held on September 17th, 1892 - The anniversary of the Battle of Antietam, Md. 1862, and Commemorative also of the close of the war with Spain 1898. On the verso of the frame, a label states that this piece came from the Shawmut Bank, 40 Water Street, Boston Mass where it hung for over 100 years. The broadside is authentic and genuine. It is framed and matted and is in very good to fine condition. Framed it measures 9.5 by 21.75 inches (approx). 

Please refer to images for the best determination of the condition.

Brooklyn: WAR! 1892 Concert & Military Display Broadside