si-african-american-history:Tintype of a unidentified young girl in a mailing card, early 20th centu
si-african-american-history:Tintype of a unidentified young girl in a mailing card, early 20th century, Smithsonian: National Museum of African American History and CultureSize: H x W (Image): 2 1/16 × 1 5/16 in. (5.2 × 3.3 cm)Medium: collodion and silver with iron lacquer, ink on paperhttps://nmaahc.si.edu/object/nmaahc_2013.46.29.112 -- source link