PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I am interested in anyone's comments on how to research this further, or if you think it might be worth more as a collectible item from WWI if it turns out this is copper, or would it be worth more just for its copper value or other metal value?
http://www.w3.org/ns/prov#wasQuotedFrom
  • collectorsweekly.com