{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/219340307"
      "properties" : {
        "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" : [ "By the 1960???s, and especially in the 1970???s and later, American coin dealers started to acquire gold coins from Europe." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "pcgs.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/177495551"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/219340307"] } } }
