@vonny,
Scary to me..
Here are some from a Swann Galleries auction:
WORTLEY, COLONEL HENRY STUART (1832-1890)
"The day is done and the darkness/Falls from the wings of night." Albumen print, 12 1/4x14 inches (31.1x35.6 cm.), with the partial title, in ink, on recto. Circa 1869-1870
WESTON, EDWARD (1886-1958)
"Rock Erosion, Point Lobos, California." Silver print, 9 1/2x7 1/2 inches (24.1x19.1 cm.), with Weston's signature, date, and numeric notations, in pencil, on mount recto, and with his signature, title, and date, in pencil, on mount verso. 1935
BRANDT, BILL (1904-1983)
"Top Withens, West Riding, Yorkshire." Silver print, 12 1/2x10 1/2 inches (31.8x26.7 cm.), flush mounted to masonite with The Museum of Modern Art's label with an alternate title on mount verso. 1945
WESTON, BRETT (1911-1993)
"#1, Glen Canyon." Silver print, 9 1/2x7 1/2 inches (24.1x19.1 cm.), with Weston's signature and date, in pencil, on mount recto. 1959; printed 1970s
BULLOCK, WYNN (1902-1975)
"Sea Palms." Silver print, 7 1/2x9 1/2 inches (19.1x24.1 cm.), with Bullock's Monterey, California hand stamp, and the title and date, in pencil, on verso. 1968
last, from a favorite photographer (saw a show once at the art museum of Chicago, with his work in it, that did it)
SALGADO, SEBASTIÃO (1944- )
"Iceberg Between Paulet Island and the Shetlands Islands, Antartica." Silver print, 14 3/4x20 inches (37.5x50.8 cm.), with Salgado's embossed copyright blind stamp, on recto, and with his signature, title, and date, in pencil, on verso. 2005; printed 2006