Albumen print

Published in January 1847[1] by Louis Désiré Blanquart-Evrard, it was the first commercial process of producing a photo on a paper base from a negative,[2] previous methods - such as the daguerreotype and the tintype - having been printed on metal.

It became the dominant form of photographic positives from 1855 to the start of the 20th century, with a peak in the 1860–90 period.

During the mid-19th century, the carte de visite became one of the more popular uses of the albumen method.

In the 19th century, E. & H. T. Anthony & Company were the largest makers and distributors of albumen photographic prints and paper in the United States.

The black parts of the image are formed by metallic silver (Ag).