by unknown hand, lower left in graphite: Schweiz, Kanton Wallis. Rhonegletscher.; by artist, lower right in red ink: Bisson freres
(sale, Christie’s London, 2001, PHT9087 lot-169); (Robert Koch Gallery, San Francisco); NGA purchase, 2016.
Associated NamesKoch Gallery, Robert
- The Eye of the Sun: Nineteenth-Century Photographs from the National Gallery of Art, National Gallery of Art, Washington, 2019, unnumbered catalogue.
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