2 piece, convex, coat size uniform button, with raised, intertwined letters, G.A.R., on a lined field. Measures 7/8 inches in diameter. Back mark: Horstmann Bros. & Co., Phil. Complete with shank on the reverse. Non dug. Very nice example which retains almost 100% of its gold gilt finish.
WBTS Trivia: The Grand Army of the Republic was a fraternal order composed of Union Civil War veterans, and was founded in Springfield, Illinois, in 1866.