This is a Carte de Visite (CDV), which is French for "visiting card." These small photo cards were commonly traded and collected by people in the 19th century; most popular in the 1860s.
This originally came from the collection of Edith M. Rottlander. Photo by E. Jessup, Middletown, New York. Features a 2-cent tax stamp on the back.
Standard-size Carte de Visite, measuring about 2.5 x 4 inches.
Will be shipped safely and securely! All items are protected in archival sleeves and packaged in rigid cardstock.