PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But, prices, like grading, are somewhat subjective in that a number of factors such as markets and economic conditions in various regions, the reach of the auction house, and the ambiance at a particular sale, greatly influence prices realized.
http://www.w3.org/ns/prov#wasQuotedFrom
  • numisbooks.dk