About: http://webisa.webdatacommons.org/441701699

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	ink, for example the conventional ink used by a Postal Authority, in order to prevent the washing of stamps for reuse.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com