A gilt framed, leather cased Daguerreotype photograph of a gentleman made early in the reign of Queen Victoria, circa 1840-1860.
Condition: very good, but the bottom part of the gilt metal frame is missing..
Frame: 9.5cm (3.75 inches) high; (8.3cm (3.3 inches) wide.
"Each daguerreotype is a remarkably detailed, one-of-a-kind photographic image on a highly polished, silver-plated sheet of copper, sensitized with iodine vapors, exposed in a large box camera, developed in mercury fumes, and stabilized (or fixed) with salt water or "hypo" (sodium thiosulphate)."
http://www.metmuseum.org/toah/hd/dagu/hd_dagu.htm
"The daguerreotype (/dəˈɡɛrɵtaɪp/; French: daguerréotype) process, or daguerreotypy, was the first publicly announced photographic process, and for nearly twenty years, it was the one most commonly used. It was invented by Louis-Jaques-Mandé Daguerre and introduced worldwide in 1839. . . "
https://en.wikipedia.org/wiki/Daguerreotype