A collection of four antique American cyanotype prints dated 1906. Various sizes. Cyanotype is a low cost photographic printing technique that is characterized by the blue tone of the executed image. The photographs in the lot depict the Wyoming countryside. Each photo has an inscription on the back. First. Ready to star from Gardner's Ranch, Marquette, Wyoming, June 24, 1906. Second. Cyanotype 39. Third. The child wife as she rode through the Yellowstone. Fourth. 48, 349. Antique American Countryside Photography Art.