[Minstrelsy] Signed Minstrel Show PhotographOriginal signed photograph from a late minstrel show, ca. 1900 1910, showing six seated men in blackface flanking a white woman onstage, signed in pencil across the upper half: "With best wishes, the Orchestra Boy from Norma Caman Minstrels." With the blindstamp of photographer C. F. Gairing, Chicago, at lower left. Some chips and tears to the surface, thumbtack holes at the corners, and mounting remnants on the verso; overall an interesting image in