PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • By 1907, the price of baleen had dropped from a high of $7 per pound, to 50 cents; two years later, the market had virtually disappeared as spring steel and other metals replaced baleen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • taxidermy4cash.com