PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • - Samuel Ward Francis, of New York, NY, received a patent for a Machine for Canceling Postage and Other Stamps" (Improvements in Adhesive Stamp Canceling Instruments...to prevent postage or other adhesive stamps from being used more than once, by permanently defacing them).
http://www.w3.org/ns/prov#wasQuotedFrom
  • businesshistory.com