Sourced from Madrido to the stones...
From the -"www.metmuseum.org"
..Troubetzkoy, a Russian portrait painter, took the picture; his wife, Amélie, a novelist and playwright from a prominent Virginia family, posed for it; and Alvin Langdon Coburn (1882-1966) printed it.
Printer: Alvin Langdon Coburn (British, Boston, Massachusetts 1882–1966 Wales) Date: 1904 Medium: Gum bichromate over platinum print Dimensions: 18.7 x 23.2 cm (7 3/8 x 9 1/8 in.) Classification: Photographs Credit Line: Alfred Stieglitz Collection, 1933
Source and all rights - http://www.metmuseum.org/collection/the-collection-online/search/267756