About: http://webisa.webdatacommons.org/328256546

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	Trade Cards were typically used to advertise products and services including such items as patent medicines, thread, sewing machines, food and beverages, farm equipment and others.
http://www.w3.org/ns/prov#wasQuotedFrom	flickr.com