About: http://webisa.webdatacommons.org/296181127

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	Some countries like the United States, South Africa and others mix copper and some other things just to make the coin a little bit more resilient, make it stand up to scratches and things like that.
http://www.w3.org/ns/prov#wasQuotedFrom	apmex.com