About: http://webisa.webdatacommons.org/158970305

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	The prices are based on many things such as books, prices realized at auctions, and simply experience with the market.
http://www.w3.org/ns/prov#wasQuotedFrom	collectorsweekly.com