Edward S. Curtis 1907-1930 (ca) Masked Dancers - Qagyuhl [The North American Indian, Volume X]
Photogravure Swann Galleries - New York This photogravure was included in a lot sold at the Swann Galleries auction "Important 19th & 20th Century Photographs" (New York, Mon Oct 15, 2007).
A copy of this image is held in the Smithsonian Institution Libraries (Accession number: SIL7-058-20).