About: http://webisa.webdatacommons.org/49876434

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	According to Roelf Marx, curator of the Museum of Klerksdorp, South Africa, where some of the spheres are housed:???The spheres are a complete mystery.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com