About: http://webisa.webdatacommons.org/221641576

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Most served as mementos of family and friends, though beginning in the 1860s Americans also cherished cartes-de-visite of such prominent figures as presidents and generals.
http://www.w3.org/ns/prov#wasQuotedFrom	americanantiquarian.org