«Winslow Homer in New York,» 1880, albumen silver print by Napoleon Sarony (1821 — 1896). (bowdoin.edu)
While Bierstadt was painting the Rockies, he had been inspired to visit Yosemite and to experiment with albumen silver prints and stereographs himself. (haberarts.com)
Albumen silver print mounted to paper, image / sheet size 16 5/8 x 18 3/4 in. (skinnerinc.com)