Ninth-Plate Ambrotype ,1855 - 1865,, 19th century portrait, 2 x 2.5 inches. Pictured in this vintage gold foil frame is a 19th century portrait of a young girl in period attire. Developed in 1851 by Frederick Scott Archer, ambrotype, or amphitype, hails from the Greek words "immortal" and "impression." These images were impressed on glass through a variant of the wet plate collodion process. They required shorter exposure times than daguerreotypes and were more affordable to manufacture, two factors which contributed to their rise in popularity before the advent of the Carte-de-visite in the early 1860s. In very good condition with minor wear and patina. No case is included.

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Includes a full printed Letter of Authenticity with Lifetime Guarantee