(AMERICAN-JUDAICA) - Carte-de-visite photograph of a Union Cavalryman, with autograph signature on front: “Isidore Kastner.”

Isidore Kastner of Pennsylvania (1842-95) fought with the 13th Cavalry. He was captured in 1863 and returned to the Union Army in an exchange with the Confederates. He returned to the battlefield and was wounded twice in battles in Virginia and subsequently discharged. Roughly 10,000 American Jews fought in the Civil War, 7,000 on the Union side, and Kastner is presumed to be one of them. See Donald Altschiller, Encyclopedia of the American Civil War: A Political, Social and Military History (2000) pp. 1070-71.