About: http://webisa.webdatacommons.org/66128601

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 percentage margin varies depending upon the spot price... and for those of us used to currencies other than USD, monetary exchange rates also come into play.
http://www.w3.org/ns/prov#wasQuotedFrom	shapeways.com