About: http://webisa.webdatacommons.org/195465299

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	http://antiquebookends.net/jbhirsch.htmWith Hirsch pieces the value is going to depend on the condition and the subject matter and whether you have the pair or not.
http://www.w3.org/ns/prov#wasQuotedFrom	collectorsweekly.com