About: http://webisa.webdatacommons.org/148662456

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	Pewter is made mostly of tin and over time, may develop a dark patina.
http://www.w3.org/ns/prov#wasQuotedFrom	howtocleanstuff.net