Measures approximately 5-1/2" x 4-1/8". Note: The Keystone Battery was organized in 1861 in Philadelphia and first deployed as part of the defenses of the city of Washington. The battery fought primarily in the Virginia area during the Civil War and afterwards was reorganized and admitted into the Pennsylvania National Guard.Fine condition with some very slight rippling. Decorative stamped tin mat has some slight discoloration. This remarkable item is in good shape, great exposure with good contrast, very hard to find, wonderful collectible, great conversation piece and ideal for display. The item "US Civil War tintype photograph group soldiers with cannon in gutta percha case" is in sale since Monday, June 29, 2020. This item is in the category "Collectibles\Photographic Images\Vintage & Antique (Pre-1940)\Tintypes". The seller is "df_collectables" and is located in Suffield, Connecticut. This item can be shipped worldwide.