About: http://webisa.webdatacommons.org/256332217

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	Later, stamps honoring such notables as Winston Churchill and William Shakespeare were added to those subjects commemorated by omnibus issues.
http://www.w3.org/ns/prov#wasQuotedFrom	linns.com