About: http://webisa.webdatacommons.org/250651254

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	carried on each, and value of covers in French francs, including value
http://www.w3.org/ns/prov#wasQuotedFrom	aerophilately.net