About: http://webisa.webdatacommons.org/150738097

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	Around twenty of these per stamp were ever printed and as such is a very collectible item.
http://www.w3.org/ns/prov#wasQuotedFrom	lastinghobbies.com