An Ambrotype portrait of a sitting woman
Spain: n/a, 1850. A nice example of a Spanish ambrotype photograph. The image is a 3.25 x 2.5 inches (quarter plate) glass plate held in a gold coloured soft metal frame. some slight surface scratching and a slight "halo effect" to the woman's head. Came from a Spanish collection.
Ambrotype also known as a collodion positive in the UK, is a positive photograph on glass. Each is a unique original that could only be duplicated by using a camera to copy it. Developed circa 1850, by the mid 1860's Tintype and Albumen photographs had superseded the process