Chicago, Illinois: C. D. Mosher, National Historical Photographer to Posterity, 125 State Street, circa 1876–1885. Albumen photograph on printed “Memorial Portrait” cabinet mount, approximately 4 ¼ x 6 ½ inches. The elaborate printed verso advertisement promotes Mosher’s ambitious Centennial-era “Memorial Portraits” project and bears contemporary manuscript identifications reading “Laura Smith.....