About: http://webisa.webdatacommons.org/34840309

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	When postage stamps were first introduced, they featured a portrait of a monarch, ruler, president, or other leaders.
http://www.w3.org/ns/prov#wasQuotedFrom	bellaonline.com