PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Responding to the production and sale of silver and gold coins by other countries such as Canada and South Africa, Congress authorized the U.S. Mint to begin producing gold and silver bullion coins through the authority of the Bullion Coin Act of 1985.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nationalcoinbroker.com