About: http://webisa.webdatacommons.org/17628174

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	However I think it is more a guide than a rule, because we also know that price is a function of offer and demand in a free economy.
http://www.w3.org/ns/prov#wasQuotedFrom	etsy.com