About: http://webisa.webdatacommons.org/422014495

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	Ancient and Renaissance cameos were made from semi-precious gemstones, especially the various types of onyx and agate, and any other stones with a flat plane where two contrasting colours meet; these are hardstone cameos.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org