About: http://webisa.webdatacommons.org/347699360

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	Starting on July 1st, 1898 postcards could be sent through the mail for only one cent regardless of whether they contained a message or not.
http://www.w3.org/ns/prov#wasQuotedFrom	metropostcard.com