Wife and biographer (1842–1933) of ill-fated General George Armstrong Custer. Uncommon 4.25 x 6.5 cabinet portrait of George A. Custer wearing military attire in a half-length pose, signed and inscribed on the reverse by his wife in black ink, "For Mr. Parks, with the gratitude of Elizabeth B. Custer.” Encapsulated in a PSA/DNA authentication holder. In fine condition.